From ecfd4e7d9ea84ddd111bb169d0268bdec7b29865 Mon Sep 17 00:00:00 2001
From: Luca Lach <llach@techfak.uni-bielefeld.de>
Date: Wed, 2 Mar 2016 13:54:39 +0100
Subject: [PATCH] made some things in grammar optional

---
 psGrammar/tasks/manipulation/manipulationTask.jsgf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/psGrammar/tasks/manipulation/manipulationTask.jsgf b/psGrammar/tasks/manipulation/manipulationTask.jsgf
index 530f96c0..e56afcbf 100644
--- a/psGrammar/tasks/manipulation/manipulationTask.jsgf
+++ b/psGrammar/tasks/manipulation/manipulationTask.jsgf
@@ -1,7 +1,7 @@
 #JSGF V1.0;
 grammar manipulationTask;
 
-public <navigation> = (tobi | biron) [please] ( clean the <cleanShelf> | <table>);
+public <navigation> = (tobi | biron) [please] ( [clean the] <cleanShelf> | [clean the] <table>);
 
 <cleanShelf> = (shelf);
 <table> = (table);
-- 
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