From 29273cede06db52d8ceec4fc06d8b39cc46b7655 Mon Sep 17 00:00:00 2001
From: jpohlmeyer <jpohlmeyer@techfak.uni-bielefeld.de>
Date: Fri, 8 Feb 2019 18:09:02 +0100
Subject: [PATCH] change some words to optional

---
 psGrammar/challenge/pollen/challenge.jsgf | 2 +-
 psGrammar/challenge/pollen/setUpBill.jsgf | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/psGrammar/challenge/pollen/challenge.jsgf b/psGrammar/challenge/pollen/challenge.jsgf
index c5d7a937..e4457fc1 100644
--- a/psGrammar/challenge/pollen/challenge.jsgf
+++ b/psGrammar/challenge/pollen/challenge.jsgf
@@ -2,7 +2,7 @@
 grammar pollen;
 public <orderstring> = [<robot>] [please] <receiveorderstring> [please];
 
-<receiveorderstring> = bring [me] [a] <drink>;
+<receiveorderstring> = [bring] [me] [a] <drink>;
 
 <drink> = (coke | malz | lemonade | water | ice tea | coffee);
 
diff --git a/psGrammar/challenge/pollen/setUpBill.jsgf b/psGrammar/challenge/pollen/setUpBill.jsgf
index 0e1c1d6c..4de1d157 100644
--- a/psGrammar/challenge/pollen/setUpBill.jsgf
+++ b/psGrammar/challenge/pollen/setUpBill.jsgf
@@ -2,7 +2,7 @@
 grammar setUpBill;
 public <setUpBillString> = [<robot>] (<setUpBill>|<correctDrinks>|<additionalDrink>);
 
-<setUpBill> = [please] set up [the] bill [please];
+<setUpBill> = [please] [set] [up] [the] bill [please];
 
 <correctDrinks> = [the] [drinks] [are] <drinks>;
 
-- 
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