trimmed confirmation grammar

psGrammar/confirm/confirm.jsgf

@@ -5,6 +5,6 @@ public <confirm> = <confirm_yes> | <confirm_no>;
 <confirm_yes> = <robot> <yes_words>;
 <confirm_no> = <robot> <no_words>; 
 
-<yes_words> = (yes) | (confirmed);
+<yes_words> = (yes);
 <no_words> = (no);
-<robot> = (tobi) | (robot) | (biron) | (pepper) | (tiago);
+<robot> = (tiago);

psGrammar/confirm/confirm_old.jsgf

+#JSGF V1.0;
+grammar ToBI_confirm;
+public <confirm> = <confirm_yes> | <confirm_no>;
+
+<confirm_yes> = <robot> <yes_words>;
+<confirm_no> = <robot> <no_words>; 
+
+<yes_words> = (yes) | (confirmed);
+<no_words> = (no);
+<robot> = (tobi) | (robot) | (biron) | (pepper) | (tiago);