Halts can be abrupt.Logical formLearned from7 sentences. A displacement can be abrupt.Logical formLearned from7 sentences. A substitution can be abrupt.Logical formLearned from7 sentences. A (rate reduction) can be abrupt.Logical formLearned from7 sentences. Human activities may lead to abrupt (climate changes).Logical formLearned from7 sentences. A method can be abrupt.Logical formLearned from6 sentences. A curtailment can be abrupt.Logical formLearned from6 sentences. A sell-off can be abrupt.Logical formLearned from6 sentences. An extinction can be abrupt.Logical formLearned from6 sentences. A meeting can be abrupt.Logical formLearned from6 sentences. A wave can be abrupt.Logical formLearned from6 sentences. A sort can be abrupt.Logical formLearned from6 sentences. A change can be abrupt.Logical formLearned from6 sentences. A truncation can be abrupt.Logical formLearned from6 sentences. A series can be abrupt.Logical formLearned from6 sentences.