Forces may include some frigates.Logical formLearned from2 sentences. A frigate can be in a gulf.Logical formLearned from2 sentences. A contractor may build frigates.Logical formLearned from2 sentences. A frigate can be a replica of a ship.Logical formLearned from2 sentences. A frigate can be on maneuvers.Logical formLearned from2 sentences. A (steam frigate) may be covered with (iron plates).Logical formLearned from2 sentences. Frigates may be decommissioned.Logical formLearned from2 sentences. A frigate may cruise.Logical formLearned from2 sentences. Work can be on a frigate.Logical formLearned from2 sentences. Frigates may undergo a refurbishing.Logical formLearned from2 sentences. (Navy frigates) may undergo a refurbishing.Logical formLearned from2 sentences. (Missile frigates) can be from a country.Logical formLearned from2 sentences. A frigate may bristle with missiles.Logical formLearned from2 sentences. A frigate may drop anchor.Logical formLearned from2 sentences. Missiles may pertain-to a frigate.Logical formLearned from2 sentences.