A situation can be necessary.Logical formLearned from26 sentences. A passport can be necessary.Logical formLearned from26 sentences. A post can be necessary.Logical formLearned from26 sentences. Law can be necessary.Logical formLearned from26 sentences. A possession of arms may be deemed necessary.Logical formLearned from26 sentences. Construction can be necessary.Logical formLearned from26 sentences. Evil can be necessary.Logical formLearned from26 sentences. A letter can be necessary.Logical formLearned from26 sentences. Government can be a necessary evil.Logical formLearned from26 sentences. Rationing can be necessary.Logical formLearned from26 sentences. Dollars can be necessary.Logical formLearned from26 sentences. Functions can be necessary.Logical formLearned from26 sentences. A case can be necessary.Logical formLearned from26 sentences. Preparations can be necessary.Logical formLearned from26 sentences. Chemotherapy can be necessary.Logical formLearned from26 sentences.