A frigate can be a base.Logical formLearned from2 sentences. British frigates may undergo a purchase.Logical formLearned from2 sentences. A stop can be by a frigate.Logical formLearned from2 sentences. A frigate can be steam-powered.Logical formLearned from2 sentences. Frigates can be on patrol.Logical formLearned from2 sentences. (Missile frigates) can be sophisticated.Logical formLearned from2 sentences. Ships can be by a frigate.Logical formLearned from2 sentences. (Ship builders) may delay a maiden voyage of a replica of a (century frigate).Logical formLearned from2 sentences. A frigate may sink a fleet.Logical formLearned from2 sentences. A deal can be for a frigate.Logical formLearned from2 sentences. A frigate may be dispatched.Logical formLearned from2 sentences. Some personnel can be on some (navy frigates).Logical formLearned from2 sentences. Sailors may line a (flight deck) of a (navy frigate).Logical formLearned from2 sentences. A guided-missile frigate may respond to a call.Logical formLearned from2 sentences. A squadron may pertain-to a frigate.Logical formLearned from2 sentences.