    Sentence 1: Cross-dressing  teens from Harvey Milk High  School offered sex for money  in Greenwich Village and then  robbed the would-be johns by  pretending to be cops ,  sour! id last night .         Sentence 2: Four Harvey Milk  High School students who  dressed as women were  arrested yesterday for  robbing men in the West  Village - and pretending to  be police officers , sources  said .