Questions can be necessary.Logical formLearned from10 sentences. A decision can be necessary for a good of a country.Logical formLearned from10 sentences. Direction can be necessary.Logical formLearned from10 sentences. Opportunities can be necessary.Logical formLearned from10 sentences. Matters can be necessary.Logical formLearned from10 sentences. Bars can be necessary.Logical formLearned from10 sentences. Conditions can be necessary for (tornado formation).Logical formLearned from10 sentences. Presence of troops can be necessary.Logical formLearned from10 sentences. Forms can be necessary for an employee.Logical formLearned from10 sentences. Acquisitions can be necessary.Logical formLearned from10 sentences. Meetings can be necessary.Logical formLearned from10 sentences. A net gain can be necessary for a majority.Logical formLearned from10 sentences. Conditions can be necessary for arranging ingredients.Logical formLearned from10 sentences. A (funding measure) can be necessary.Logical formLearned from10 sentences. A lead can be necessary in a race.Logical formLearned from10 sentences.