Weapons can be valid.Logical formLearned from6 sentences. An union of a man can be valid.Logical formLearned from6 sentences. (Intelligence assessments) can be valid.Logical formLearned from6 sentences. Some agreements can be valid.Logical formLearned from6 sentences. A boycott can be valid.Logical formLearned from6 sentences. A violation can be valid.Logical formLearned from6 sentences. A fare can be valid.Logical formLearned from6 sentences. Accords can be valid.Logical formLearned from6 sentences. Letters can be valid.Logical formLearned from6 sentences. A voting can be valid.Logical formLearned from6 sentences. A world-city can be valid.Logical formLearned from6 sentences. Bets can be valid.Logical formLearned from6 sentences. (Police summons) can be valid.Logical formLearned from6 sentences. Results of elections can be valid.Logical formLearned from6 sentences. An immunity can be valid.Logical formLearned from6 sentences.