(Merchant ships) may convey by some frigates.Logical formLearned from2 sentences. A sixth rate may undergo (sailing frigates).Logical formLearned from2 sentences. (Class sailing frigates) can be a series of some ships.Logical formLearned from2 sentences. A US-city may watch some frigates.Logical formLearned from2 sentences. A male may come across a frigate.Logical formLearned from2 sentences. A navy may have a fleet of frigates.Logical formLearned from2 sentences. Frigates may report that something-is-the-case.Logical formLearned from2 sentences. A frigate may be built in a country.Logical formLearned from2 sentences. A frigate can be crippled.Logical formLearned from2 sentences. A frigate can be proud.Logical formLearned from2 sentences. Frigates may attack.Logical formLearned from2 sentences. A frigate may return to a world-city.Logical formLearned from2 sentences. A force can be constituted-of-or-filled-with some frigates.Logical formLearned from2 sentences. A frigate can be for a military-or-other-action-organization.Logical formLearned from2 sentences. A frigate may drop a female.Logical formLearned from2 sentences.