A havoc can be terrible.Logical formLearned from5 sentences. Havoc can be on a region.Logical formLearned from5 sentences. A political-leader may wreak havoc.Logical formLearned from5 sentences. A (crane collapse) may wreak havoc on an east side of a US-city.Logical formLearned from5 sentences. Havoc can be on markets.Logical formLearned from5 sentences. A havoc may wreak by natural disasters.Logical formLearned from5 sentences. Criminals may wreak havoc.Logical formLearned from5 sentences. Telltales may pertain-to a havoc.Logical formLearned from5 sentences. A volcano may rain havoc from some miles.Logical formLearned from5 sentences. A premise may play havoc with international rules of self-defense.Logical formLearned from5 sentences. Warlords may wreak havoc.Logical formLearned from5 sentences. A freeze may play havoc with blossoms.Logical formLearned from5 sentences. Scientists may wreak havoc on mankind.Logical formLearned from5 sentences. A havoc can be comic.Logical formLearned from5 sentences. Need of modernization may create havoc with a (flight schedule).Logical formLearned from5 sentences.