A havoc may be caused by tornadoes.Logical formLearned from4 sentences. A havoc can be expected.Logical formLearned from4 sentences. (Rain showers) may play havoc with a program.Logical formLearned from4 sentences. Some men may wreak havoc.Logical formLearned from4 sentences. An asian flu may wreak havoc.Logical formLearned from4 sentences. Some (suicide bombing) may work havoc on a market.Logical formLearned from4 sentences. A country may create havoc.Logical formLearned from4 sentences. Rain may play havoc with schedules.Logical formLearned from4 sentences. A corner may create havoc.Logical formLearned from4 sentences. A rule may create havoc.Logical formLearned from4 sentences. Havoc can be for some involveds.Logical formLearned from4 sentences. A havoc may wreak by floods.Logical formLearned from4 sentences. Clashes may wreak havoc.Logical formLearned from4 sentences. A (suicide bomber) may wreak havoc.Logical formLearned from4 sentences. Sanctions may wreak havoc on dealers.Logical formLearned from4 sentences.