Hits can be sudden.Logical formLearned from6 sentences. A (shock wave) can be sudden.Logical formLearned from6 sentences. A (price collapse) can be sudden.Logical formLearned from6 sentences. An encroachment can be sudden.Logical formLearned from6 sentences. A (population increase) can be sudden.Logical formLearned from6 sentences. A sudden death may work.Logical formLearned from6 sentences. A rushes can be sudden.Logical formLearned from6 sentences. Enthusiasms can be sudden.Logical formLearned from6 sentences. A rise can be sudden.Logical formLearned from6 sentences. An obscurity can be sudden.Logical formLearned from6 sentences. A sudden strike can be an attack.Logical formLearned from6 sentences. A vigor can be sudden.Logical formLearned from6 sentences. A reunion can be sudden.Logical formLearned from6 sentences. A break can be sudden.Logical formLearned from6 sentences. (Policy shifts) can be sudden.Logical formLearned from6 sentences.