A (car bomb) may go_off at a same time.Logical formLearned from4 sentences. Bombs may go_off on trains.Logical formLearned from4 sentences. (Stage lights) may go_off.Logical formLearned from4 sentences. A series of bombs may go_off in a world-city.Logical formLearned from4 sentences. A little girl may go_off to college.Logical formLearned from4 sentences. Everybody may go_off to war.Logical formLearned from4 sentences. A bomb may go_off in a street.Logical formLearned from4 sentences. A male may go_off into town.Logical formLearned from4 sentences. Girls may go_off.Logical formLearned from4 sentences. An (artillery piece) may go_off.Logical formLearned from4 sentences. A male may go_off on a quest.Logical formLearned from4 sentences. Red flags may go_off.Logical formLearned from4 sentences. A male may go_off on vacation.Logical formLearned from4 sentences. A warning may go_off.Logical formLearned from4 sentences. A link may go_off.Logical formLearned from4 sentences.