The economy may crash.Logical formLearned from281 sentences. A bus may crash.Logical formLearned from279 sentences. Waves may crash.Logical formLearned from271 sentences. A (passenger jet) may crash.Logical formLearned from263 sentences. An airplane may crash.Logical formLearned from250 sentences. A person may crash on a couch.Logical formLearned from238 sentences. A game may crash.Logical formLearned from238 sentences. A browser may crash.Logical formLearned from236 sentences. A helicopter may crash in a country.Logical formLearned from228 sentences. A flight may crash.Logical formLearned from226 sentences. A plane may crash in a us-state.Logical formLearned from226 sentences. A jetliner may crash.Logical formLearned from225 sentences. A plane may crash in a country.Logical formLearned from225 sentences. An aircraft may crash.Logical formLearned from225 sentences. A bus may crash.Logical formLearned from221 sentences.