From 798a79c7a2176915f1daa7fb8d9680fddf024c33 Mon Sep 17 00:00:00 2001
From: Leon Ziegler <lziegler@techfak.uni-bielefeld.de>
Date: Fri, 4 Apr 2014 22:02:28 +0200
Subject: [PATCH] fixed demo challenge

---
 ps-grammar/demoChallenge/commands.jsgf | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/ps-grammar/demoChallenge/commands.jsgf b/ps-grammar/demoChallenge/commands.jsgf
index 45d57605..e629d0a1 100644
--- a/ps-grammar/demoChallenge/commands.jsgf
+++ b/ps-grammar/demoChallenge/commands.jsgf
@@ -2,10 +2,9 @@
 grammar bebot_demo;
 public <statement> = [tobi] [please] <command> [please] [tobi];
 
-<command> = <clean> | <party> | <teach> | <mapping>;
-<clean> = clean up | start cleaning;
-<mapping> = start mapping;
-<party> = [the] party starts | party beginning;
+<command> =  <mapping> | <clean> | <party> | <teach>;
+<clean> = (clean up) | (start cleaning);
+<mapping> = ( start mapping );
+<party> = ( [the] party starts) | (party beginning);
 <teach> = ( (this is [a | an | the] ) | ( these are [the] ) ) <object>;
-<object> = [other] ( trashbin  );
-
+<object> = trashbin;
-- 
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