Tragedy may strike in a month.Logical formLearned from15 sentences. A male may strike a match.Logical formLearned from15 sentences. Lightning may strike a building.Logical formLearned from15 sentences. Miners may strike.Logical formLearned from15 sentences. (Killer waves) may strike.Logical formLearned from15 sentences. Planes may strike towers.Logical formLearned from15 sentences. A male may be struck from a list.Logical formLearned from15 sentences. A world-city may strike a person.Logical formLearned from15 sentences. A female may strike a blow.Logical formLearned from15 sentences. A key may be struck.Logical formLearned from15 sentences. Lightning may strike a female.Logical formLearned from15 sentences. An earthquake may strike a continental-region.Logical formLearned from15 sentences. (Car bombs) may strike targets.Logical formLearned from15 sentences. Raiders may strike.Logical formLearned from15 sentences. A ruling may strike a blow.Logical formLearned from15 sentences.