A pause can be necessary.Logical formLearned from8 sentences. A necessary condition can be for a recovery.Logical formLearned from8 sentences. A root can be necessary.Logical formLearned from8 sentences. A figure can be necessary.Logical formLearned from8 sentences. An (emergency landing) can be necessary.Logical formLearned from8 sentences. Takeovers can be necessary for a success of (development plans).Logical formLearned from8 sentences. Wiretaps can be necessary.Logical formLearned from8 sentences. Writedowns can be necessary.Logical formLearned from8 sentences. A difference can be necessary.Logical formLearned from8 sentences. Activities can be necessary for purposes.Logical formLearned from8 sentences. Authorities can be necessary.Logical formLearned from8 sentences. A cease-fire can be necessary.Logical formLearned from8 sentences. Some fine-tuning can be necessary.Logical formLearned from8 sentences. A (rate rise) can be necessary.Logical formLearned from8 sentences. (Price stability) can be a necessary condition.Logical formLearned from8 sentences.