--- a/src/rps3.erl	Mon Mar 03 15:37:24 2014 +0900
+++ b/src/rps3.erl	Mon Mar 03 15:42:17 2014 +0900
@@ -1,7 +1,7 @@
 -module(rps3).
--export([get_rules/0, winning_hand/1]).
+-export([get_hands/0, winning_hand/1]).
 
-get_rules() -> [rock, paper, scissors].
+get_hands() -> [rock, paper, scissors].
 
 beats(H, [H|Tail]) ->
     lists:last(Tail);
@@ -13,7 +13,7 @@
     beats(H, T).
 
 loses(H) ->
-    beats(H, lists:reverse(get_rules())).
+    beats(H, lists:reverse(get_hands())).
 
 % winner for 3 hands is:
 % rock, rock, rock      -> rock

--- a/src/rps5.erl	Mon Mar 03 15:37:24 2014 +0900
+++ b/src/rps5.erl	Mon Mar 03 15:42:17 2014 +0900
@@ -1,11 +1,11 @@
 -module(rps5).
 -export([
-    get_rules/0,
+    get_hands/0,
     beats/1, test_beats/0,
     loses/1, test_loses/0,
     winning_hand/1, test_winning_hand/0]).
 
-get_rules() -> [rock, paper, scissors, spock, lizard].
+get_hands() -> [rock, paper, scissors, spock, lizard].
 
 beats(rock) ->
     [scissors, lizard];
@@ -42,14 +42,14 @@
         fun(H) ->
             io:format("~w beats ~w.~n", [H, beats(H)])
         end,
-        get_rules()).
+        get_hands()).
 
 test_loses() ->
     lists:foreach(
         fun(H) ->
             io:format("~w loses to ~w.~n", [H, loses(H)])
         end,
-        get_rules()).
+        get_hands()).
 
 % winner for 3 hands is:
 % rock, rock, rock      -> rock
@@ -69,13 +69,13 @@
         end, undefined, HSet).
 
 test_winning_hand() ->
-    Exclude = fun(Hand) -> lists:delete(Hand, get_rules()) end,
+    Exclude = fun(Hand) -> lists:delete(Hand, get_hands()) end,
     Cases = [
              [rock, rock, rock],
              [rock, paper, scissors],
              [rock, paper, paper],
              [rock, rock, paper]
-             |lists:map(Exclude, get_rules())
+             |lists:map(Exclude, get_hands())
             ],
     lists:foreach(
         fun(Hands) ->

--- a/src/rps_bots.erl	Mon Mar 03 15:37:24 2014 +0900
+++ b/src/rps_bots.erl	Mon Mar 03 15:42:17 2014 +0900
@@ -10,7 +10,7 @@
     receive
         {room, Room, Rules} ->
             random:seed(now()),
-            Hands = apply(Rules, get_rules, []),
+            Hands = apply(Rules, get_hands, []),
             fool(Room, Hands)
     end.
 
@@ -32,7 +32,7 @@
 copycat(joined) ->
     receive
         {room, Room, Rules} ->
-            copycat(Room, hd(apply(Rules, get_rules, [])))
+            copycat(Room, hd(apply(Rules, get_hands, [])))
     end.
 
 copycat(Room, Hand) ->
@@ -52,8 +52,8 @@
 gambler(joined) ->
     receive
         {room, Room, Rules} ->
-            R = apply(Rules, get_rules, []),
-            Wins = dict:from_list([{C, 0} || C <- R]),
+            Hands = apply(Rules, get_hands, []),
+            Wins = dict:from_list([{Hand, 0} || Hand <- Hands]),
             gambler(Room, Wins)
     end.
 

--- a/src/rps_room.erl	Mon Mar 03 15:37:24 2014 +0900
+++ b/src/rps_room.erl	Mon Mar 03 15:42:17 2014 +0900
@@ -43,8 +43,8 @@
 room(State=#state{rules=Rules, choices=Choices}) ->
     receive
         {Hand, Who} ->
-            R = apply(Rules, get_rules, []),
-            ObjectIsOk = lists:any(fun(X) -> X =:= Hand end, R),
+            Hands = apply(Rules, get_hands, []),
+            ObjectIsOk = lists:any(fun(X) -> X =:= Hand end, Hands),
             ChoiceMade = lists:keymember(Who, 2, Choices),
             case ObjectIsOk andalso not ChoiceMade of
                 true ->

--- a/test/rps3_tests.erl	Mon Mar 03 15:37:24 2014 +0900
+++ b/test/rps3_tests.erl	Mon Mar 03 15:42:17 2014 +0900
@@ -1,8 +1,8 @@
 -module(rps3_tests).
 -include_lib("eunit/include/eunit.hrl").
 
-get_rules_test() ->
-    ?assertEqual(length(rps3:get_rules()), 3).
+get_hands_test() ->
+    ?assertEqual(length(rps3:get_hands()), 3).
 
 winning_hand_test() ->
     ?assertEqual(rps3:winning_hand([rock, paper]), paper),