From 1629e8d6af541ee3788f512c7302c573bc53bf08 Mon Sep 17 00:00:00 2001
From: Suchit Sharma <ssharma@techfak.uni-bielefeld.de>
Date: Sun, 20 Jul 2014 11:16:58 -0300
Subject: [PATCH] fix error

---
 ps-grammar/gprs/gprs.jsgf | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ps-grammar/gprs/gprs.jsgf b/ps-grammar/gprs/gprs.jsgf
index c6bb3629..7a1d927a 100644
--- a/ps-grammar/gprs/gprs.jsgf
+++ b/ps-grammar/gprs/gprs.jsgf
@@ -31,7 +31,7 @@ public <task> = [<robot_name>] [(would | could) you] [please] <command> [please]
 <grab_object> = <cleaning_class> | <drink_class> | <snack_class> | <food_class> | tool | (bathroom stuff) | cleaning_stuff | drinks | snacks | object | food | something | stuff | item | beverage | things;
 <cleaning_class> = brush | detergent | shampoo | sponge | toothpaste;
 <drink_class> = (orange juice) | beer | cola | chocolate_milk | energy_drink | grape_juice | milk | water;
-<snack_class> = chocolate_cookies | chips | biscuits | bread | pringles | strawberry_cookies;
+<snack_class> = chocolate_cookies | chips | biscuits | bread | pringles | (strawberry cookies);
 <food_class> = baby_food | crackers | coffee | yeast | noodles | beans; 
 
 <location> = <appliance_class> | <shelf_class> | <seat_class> | <table_class> | <door_class> | <exit_class> | exit | door | seating | utensil | location | room | appliance | shelf | seat | table | somewhere | apartment | furniture;
-- 
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