diff --git a/scripts/bot/brain.coffee b/scripts/bot/classifier.coffee
similarity index 92%
rename from scripts/bot/brain.coffee
rename to scripts/bot/classifier.coffee
index 85c03e4fdaab911b4f5688b366b8509d5b01793f..b1bcd5c2bdc90748b0ae6c3a4a8b140031465893 100644
--- a/scripts/bot/brain.coffee
+++ b/scripts/bot/classifier.coffee
@@ -2,7 +2,7 @@ require 'coffeescript/register'
 
 natural = require 'natural'
 
-brain = {}
+classifier = {}
 
 lang = (process.env.HUBOT_LANG || 'en')
 
@@ -13,7 +13,8 @@ if lang != 'en'
 
 actionHandler = require './action-handler'
 
-classifier = {}
+# Classifier that holds all root level interactions
+root_classifier = {}
 error_count = 0
 
 classifyInteraction = (interaction, classifier) ->
@@ -45,20 +46,20 @@ classifyInteraction = (interaction, classifier) ->
         interaction.classifier.addDocument(doc, doc)
       interaction.classifier.train()
 
-brain.train = () ->
+classifier.train = () ->
   console.log 'Processing interactions'
   console.time 'Processing interactions (Done)'
 
-  classifier = new natural.LogisticRegressionClassifier(PorterStemmer)
+  root_classifier = new natural.LogisticRegressionClassifier(PorterStemmer)
 
   for interaction in global.config.interactions
     if interaction.level != 'context'
-      classifyInteraction interaction, classifier
+      classifyInteraction interaction, root_classifier
 
     console.log('\tProcessing interaction: ' + interaction.name)
 
   console.log 'Training Bot (This could be take a while...)'
-  classifier.train()
+  root_classifier.train()
 
   console.timeEnd 'Processing interactions (Done)'
 
@@ -116,9 +117,9 @@ clearErrors = (res) ->
   key = 'errors_' + res.envelope.room + '_' + res.envelope.user.id
   res.robot.brain.set(key, 0)
 
-brain.processMessage = (res, msg) ->
+classifier.processMessage = (res, msg) ->
   context = getContext(res)
-  currentClassifier = classifier
+  currentClassifier = root_classifier
   trust = global.config.trust
   interaction = undefined
   debugMode = isDebugMode(res)
@@ -157,7 +158,7 @@ brain.processMessage = (res, msg) ->
         error_node_name = interaction.next.error[0]
     else if interaction?.next?
       setContext(res, undefined)
-      return brain.processMessage(res, msg)
+      return classifier.processMessage(res, msg)
     else
       error_count = incErrors res
       if error_count > actionHandler.errorNodesCount()
@@ -178,4 +179,4 @@ brain.processMessage = (res, msg) ->
 
   return node_name or error_node_name
 
-module.exports = brain
+module.exports = classifier
diff --git a/scripts/bot/index.coffee b/scripts/bot/index.coffee
index 39ec08734d2b8601c0f11141f58fdbe5f52daa80..7ddf7a0d07c6a73413dbca678fcdc14922eb3927 100644
--- a/scripts/bot/index.coffee
+++ b/scripts/bot/index.coffee
@@ -3,7 +3,7 @@ require 'coffeescript/register'
 { regexEscape, loadConfigfile } = require '../lib/common'
 { getUserRoles, checkRole } = require '../lib/security'
 actionHandler = require './action-handler'
-brain = require './brain'
+classifier = require './classifier'
 
 typing = (res, t) ->
   res.robot.adapter.callMethod 'stream-notify-room',
@@ -52,7 +52,7 @@ module.exports = (_config, robot) ->
     return
 
   actionHandler.registerActions(global.config)
-  brain.train()
+  classifier.train()
 
   robot.hear /(.+)/i, (res) ->
     res.sendWithNaturalDelay = sendWithNaturalDelay.bind(res)
@@ -61,9 +61,9 @@ module.exports = (_config, robot) ->
     # check if robot should respond
     if res.envelope.user.roomType in ['c', 'p']
       if (createMatch(res.robot.name)) or (createMatch(res.robot.alias))
-        actionName = brain.processMessage(res, msg)
+        actionName = classifier.processMessage(res, msg)
         actionHandler.takeAction(actionName, res)
         # TODO: Add engaged user conversation recognition/tracking
     else if res.envelope.user.roomType in ['d', 'l']
-      actionName = brain.processMessage(res, msg)
+      actionName = classifier.processMessage(res, msg)
       actionHandler.takeAction(actionName, res)
diff --git a/scripts/events/configure.coffee b/scripts/events/configure.coffee
index dc4d01d325ae0836251e8f2dcf1c5f317b3de8ee..467f3ed4130ca93fbd08f5a14887608515674465 100644
--- a/scripts/events/configure.coffee
+++ b/scripts/events/configure.coffee
@@ -1,6 +1,6 @@
 require 'coffeescript/register'
 
-brain = require '../bot/brain'
+classifier = require '../bot/classifier'
 security = require '../lib/security'
 { msgVariables, stringElseRandomKey,
   loadConfigfile, getConfigFilePath } = require  '../lib/common'
@@ -48,7 +48,7 @@ class Configure
 
   retrain: (msg) ->
     global.config = loadConfigfile getConfigFilePath()
-    brain.train()
+    classifier.train()
 
     type = @interaction.type?.toLowerCase() or 'random'
     switch type