DuckHunt

Threedoctorsareintheduckblindandabirdfliesoverhead.Thegeneralpractitionerlooksatitandsays,Lookslikeaduck,flieslikeaduck...it'sprobablyaduck,shootsatitbutmissesandthebirdfliesaway.Thenextbirdfliesoverhead,andthepathologistlooksatit,thenlooksthroughthepagesofabirdmanual,andsays,Hmmmm...greenwings,yellowbill,quackingsound...mightbeaduck.Heraiseshisguntoshootit,butthebirdislonggone.Athirdbirdfliesover.Thesurgeonraiseshisgunandshootsalmostwithoutlooking,bringsthebirddown,andturnstothepathologistandsays,Goseeifthatwasaduck.