(Aircraft carriers) may pertain-to a fleet.Logical formLearned from6 sentences. (Aircraft carriers) can be invincible.Logical formLearned from6 sentences. (Aircraft carriers) may pertain-to a navy.Logical formLearned from6 sentences. A (supplemental carrier) may pertain-to a country.Logical formLearned from6 sentences. A low-cost carrier can be ultra.Logical formLearned from6 sentences. A carrier may disappear.Logical formLearned from6 sentences. A (passenger carrier) can be international.Logical formLearned from6 sentences. Carriers may serve an airport.Logical formLearned from6 sentences. A model may show carriers.Logical formLearned from6 sentences. A low-cost carrier can be true.Logical formLearned from6 sentences. A carrier may sail on a month.Logical formLearned from6 sentences. A carrier may be towed.Logical formLearned from6 sentences. A store may pertain-to a carrier.Logical formLearned from6 sentences. (Carrier strike) may be completed.Logical formLearned from6 sentences. Carriers may undergo construction.Logical formLearned from6 sentences.