A front may stall.Logical formLearned from31 sentences. A front may pertain-to an arena.Logical formLearned from31 sentences. A front can be complex.Logical formLearned from31 sentences. A front may pertain-to a robot.Logical formLearned from31 sentences. Cooperation can be on some fronts.Logical formLearned from31 sentences. (Front tactics) can be united.Logical formLearned from31 sentences. A front can be in a crisis.Logical formLearned from31 sentences. A country may form an united front.Logical formLearned from30 sentences. A front may pertain-to a tooth.Logical formLearned from30 sentences. A front may pertain-to a cover.Logical formLearned from30 sentences. A front can be high-pressure.Logical formLearned from30 sentences. A front can be aggressive.Logical formLearned from30 sentences. A front may pertain-to a (checkout line).Logical formLearned from30 sentences. A front may pertain-to a nation.Logical formLearned from30 sentences. An ambulance may be parked in front.Logical formLearned from30 sentences.