A (runway collision) can be catastrophic.Logical formLearned from7 sentences. A retreat can be catastrophic.Logical formLearned from7 sentences. A (summer flooding) can be catastrophic.Logical formLearned from7 sentences. A mistake can be catastrophic.Logical formLearned from7 sentences. Mudflows can be catastrophic.Logical formLearned from7 sentences. A drainage can be catastrophic.Logical formLearned from7 sentences. A virus can be catastrophic.Logical formLearned from7 sentences. An accumulation can be catastrophic.Logical formLearned from7 sentences. A detonation can be catastrophic.Logical formLearned from7 sentences. A catastrophic event may take place.Logical formLearned from7 sentences. Causes can be catastrophic.Logical formLearned from7 sentences. A (hurricane season) can be catastrophic.Logical formLearned from7 sentences. Responses can be catastrophic.Logical formLearned from7 sentences. A shortfall can be catastrophic.Logical formLearned from7 sentences. (Failure modes) can be catastrophic.Logical formLearned from7 sentences.