slightly improved finale grammar

ps-grammar/finale/finale.jsgf

@@ -7,6 +7,6 @@ public <basicFunctionalities> = <question1> | <question2> | <question3> | <yes>
 <no> = <tobi_no> | no;
 <tobi_yes> = tobi yes;
 <tobi_no> = tobi no;
-<question1> = [tobi] [please] have a look for the kids;
+<question1> = [tobi] [please] ( (have a look [after] [the] [kids])| (take a look [for] [the] [kids]) | (look for the kids) );
 <question2> = [tobi] [please] start looking [for] [the] [kids];
 <question3> = [tobi] [please] stop looking [for] [the] [kids];