A lock may pertain-to a world-city.Logical formLearned from18 sentences. A lock can be in place.Logical formLearned from18 sentences. A lock may be located.Logical formLearned from18 sentences. A lock can be open.Logical formLearned from18 sentences. A lock may be acquired.Logical formLearned from18 sentences. Locks can be snaky.Logical formLearned from18 sentences. A part may pertain-to a lock.Logical formLearned from18 sentences. Locks can be weak.Logical formLearned from18 sentences. Locks can be famous.Logical formLearned from18 sentences. A lock can be unruly.Logical formLearned from18 sentences. A lock can be easy.Logical formLearned from18 sentences. An imitation may concern a respecting a lock.Logical formLearned from18 sentences. (Air lock) can be full of promise.Logical formLearned from18 sentences. A person can be (air lock).Logical formLearned from18 sentences. An (air lock) can be nonobjective.Logical formLearned from18 sentences.