changed grammar to work while there is a bug in waitForNonterminals

ps-grammar/emergencySituation/object.jsgf

 #JSGF V1.0;
 grammar emergencySituation_object;
 
-public <emergencySituation> = <water>;
+public <emergencySituation> = <objectPhrase>;
 
-<objectPhrase> = water | (self aid kit) | (cell phone);
+<objectPhrase> = <water> | <self aid kit> | <cell phone>;
 
 <water> = water;
+<self aid kit> = (self aid kit);
+<cell phone> = (cell phone);