diff --git a/lib/Reflection.rb b/lib/Reflection.rb
index 3df3566..0202358 100644
--- a/lib/Reflection.rb
+++ b/lib/Reflection.rb
@@ -28,7 +28,7 @@ def initialize(execution, method, ruler)
     # Result.
     @status = nil
     @time = Time.now.to_i
-    @input = []
+    @inputs = []
     @output = nil
 
   end
@@ -49,9 +49,9 @@ def reflect(*args)
     args.each do |arg|
       case arg
       when Integer
-        @input << rand(999)
+        @inputs << rand(999)
       else
-        @input << arg
+        @inputs << arg
       end
     end
 
@@ -59,14 +59,14 @@ def reflect(*args)
     begin
       # Validate input with controls.
       unless @ruler.nil?
-        if @ruler.validate_input(@execution.caller_class, @method, @input)
+        if @ruler.validate_inputs(@execution.caller_class, @method, @inputs)
           @status = PASS
         else
           @status = FAIL
         end
       end
       # Run reflection.
-      @output = @clone.send(@method, *@input)
+      @output = @clone.send(@method, *@inputs)
     # When fail.
     rescue StandardError => message
       @status = FAIL
@@ -92,7 +92,7 @@ def result()
     reflection = {
       TIME => @time,
       STATUS => @status,
-      INPUT => normalize_input(@input),
+      INPUT => normalize_input(@inputs),
       OUTPUT => normalize_output(@output),
       MESSAGE => @message
     }
diff --git a/lib/Ruler.rb b/lib/Ruler.rb
index 238e421..b083668 100644
--- a/lib/Ruler.rb
+++ b/lib/Ruler.rb
@@ -10,6 +10,8 @@ class Ruler
   def initialize()
 
     @controls = nil
+
+    # Rules.
     @inputs = []
     @output = nil
 
@@ -20,10 +22,6 @@ def load(controls)
     @controls = controls
     @controls.each_with_index do |control, index|
 
-      p '-----'
-      p control
-      p '-----'
-
       # Multiple inputs.
       control[INPUT].each_with_index do |input, index|
         unless input.nil?
@@ -38,7 +36,7 @@ def load(controls)
 
           # Add rules to rule.
           unless input[TYPE].nil? || input[TYPE].empty?
-            rule.add_type(input[TYPE])
+            rule.add_type(input[TYPE].class)
           end
           unless input[VALUE].nil? || input[VALUE].empty?
             rule.add_value(input[VALUE])
@@ -89,7 +87,7 @@ def train()
 
   end
 
-  def validate_input(klass, method, inputs)
+  def validate_inputs(klass, method, inputs)
     result = true
     inputs.each_with_index do |value, index|
       rule = @inputs[index]
diff --git a/lib/reflekt.rb b/lib/reflekt.rb
index 283336e..0f1355e 100644
--- a/lib/reflekt.rb
+++ b/lib/reflekt.rb
@@ -63,8 +63,8 @@ def initialize(*args)
 
           # Get ruler.
           # The method's ruler will not exist the first time the db generated.
-          if @@reflekt_rules.key? execution.caller_class
-            ruler = @@reflekt_rules[execution.caller_class][method_name]
+          if @@reflekt_rules.key? execution.caller_class.to_s.to_sym
+            ruler = @@reflekt_rules[execution.caller_class.to_s.to_sym][method.to_s]
           else
             ruler = nil
           end