Negotiations can be for frigates.Logical formLearned from2 sentences. A skiff can be on a frigate.Logical formLearned from2 sentences. A match can be for a frigate.Logical formLearned from2 sentences. A frigate may stop a boat.Logical formLearned from2 sentences. Some frigates may be built on an island.Logical formLearned from2 sentences. Connection can be with a delivery of a frigate.Logical formLearned from2 sentences. Timbers may pertain-to a frigate.Logical formLearned from2 sentences. A frigate may aid a (fishing boat).Logical formLearned from2 sentences. Some frigates can be part of an operation.Logical formLearned from2 sentences. Surveillance can be from some frigates.Logical formLearned from2 sentences. Some pirates may be captured by a frigate.Logical formLearned from2 sentences. A frigate may head for an area.Logical formLearned from2 sentences. A hunt may be led by a guided-missile frigate.Logical formLearned from2 sentences. Frigates may enhance a (war fighting potential) of a navy.Logical formLearned from2 sentences. A frigate may remain at sea.Logical formLearned from2 sentences.