A (flight crew) may undergo a performance.Logical formLearned from11 sentences. A condition of a crew may be knowned.Logical formLearned from11 sentences. (Crew members) can be constituted-of-or-filled-with some tugboats.Logical formLearned from11 sentences. Crews may pertain-to an emergency-service.Logical formLearned from10 sentences. Crews may extinguish a blaze.Logical formLearned from10 sentences. (Crew members) may be took.Logical formLearned from10 sentences. (Crew members) may pertain-to a ferry.Logical formLearned from10 sentences. (Crew members) can be from a country.Logical formLearned from10 sentences. A crew may pertain-to a tugboat.Logical formLearned from10 sentences. A crew may be formed.Logical formLearned from10 sentences. Crews may gain a place.Logical formLearned from10 sentences. A crew may pertain-to a major.Logical formLearned from10 sentences. A crew may take to lifeboats.Logical formLearned from10 sentences. A crew may pertain-to a steamer.Logical formLearned from10 sentences. A crew may be made.Logical formLearned from10 sentences.