(Frigate no. 356s) may be pumped of water.Logical formLearned from2 sentences. A country may send some frigates to exercises.Logical formLearned from2 sentences. Frigates may return to bases.Logical formLearned from2 sentences. Tugboats may free a frigate.Logical formLearned from2 sentences. A sailor may be assigned to a (missile frigate).Logical formLearned from2 sentences. Some frigates may be purchased by a country.Logical formLearned from2 sentences. A (guided missile frigate) may pertain-to a military-or-other-action-organization.Logical formLearned from2 sentences. Plans may call for a use of a frigate.Logical formLearned from2 sentences. (War games) may involve a number of frigates.Logical formLearned from2 sentences. A frigate can be from a country.Logical formLearned from2 sentences. A frigate can be part of a flotilla.Logical formLearned from2 sentences. A success may pertain-to a frigate.Logical formLearned from2 sentences. A country may maintain presence of frigates with (air defense).Logical formLearned from2 sentences. Presence can be constituted-of-or-filled-with frigates.Logical formLearned from2 sentences. (Fayette-class frigates) may pertain-to a us-state.Logical formLearned from2 sentences.