A crew can be efficient.Logical formLearned from20 sentences. (Crew members) can be younger.Logical formLearned from20 sentences. An aircraft may carry some (crew members).Logical formLearned from20 sentences. Some crews may take part.Logical formLearned from20 sentences. Charges can be against a crew.Logical formLearned from20 sentences. Crew may undergo a change.Logical formLearned from20 sentences. (Crew mates) may pertain-to a person.Logical formLearned from20 sentences. A mission may pertain-to a crew.Logical formLearned from20 sentences. A crew may use brute force.Logical formLearned from20 sentences. Presence may pertain-to a crew.Logical formLearned from20 sentences. Crews may pertain-to a world-city.Logical formLearned from20 sentences. A crew may do a job.Logical formLearned from20 sentences. A crew may lock themselves.Logical formLearned from19 sentences. Some (crew members) may be seen.Logical formLearned from19 sentences. A crew may change.Logical formLearned from19 sentences.