l am a (w ).I (h ) four lerrers.My (f )letter is in ‘mop’ no

l am a (waiter ).I (have ) four letters.My (first )letter is in ‘mop’ not (in ) ‘top’.My (second ) letter is in‘plane' and also in‘some’.My (third )letter is in ‘March’and (April ) in ‘happy’.My (fourth ) letter is not in‘head’(but ) in‘hand’.What am You are‘（mean ）’.