Change grammar for task 5

psGrammar/challenge/team2/task5.jsgf

@@ -4,8 +4,11 @@ grammar task5;
 public <sentence> = [<robot>] [please] <command> <location>;
 
 <robot> = (tiago|tobi);
-<command> = (((bring | take) me to) | (where (is | can i find )) | i want to go to);
-<location> = (the <bathroom> | table <table> | the <cashRegister>);
+<command> = (((bring | take) me to) | (where (is | (can i find))) | (i want to go to));
+<location> = (the <bathroom> | <table> | the <cashRegister>);
 <bathroom> = (bathroom | toilet);
 <cashRegister> = (cashier | ([cash] register));
-<table> = (a|b|c);
+<table> = (<tableA> | <tableB> | <tableC>);
+<tableA> = (table a);
+<tableB> = (table b);
+<tableC> = ((table c) | ([an] empty table));