Some frigates may patroll in an area.Logical formLearned from2 sentences. A frigate may stop.Logical formLearned from2 sentences. A (hardware deal) may include commissionings of some frigates.Logical formLearned from2 sentences. A frigate can be under command.Logical formLearned from2 sentences. A frigate can be part of military operations.Logical formLearned from2 sentences. Some frigates may circle an island.Logical formLearned from2 sentences. Some frigate may be dispatched for a mission.Logical formLearned from2 sentences. Frigates may pertain-to an island.Logical formLearned from2 sentences. A frigate may have some (crew members).Logical formLearned from2 sentences. Some frigates may operate in an area.Logical formLearned from2 sentences. Some frigates may be docked off a coast of a world-city.Logical formLearned from2 sentences. Sailors can be from some frigates.Logical formLearned from2 sentences. Kickbacks can be in a sale of some frigates.Logical formLearned from2 sentences. A frigate may be patrolled.Logical formLearned from2 sentences. A frigate may be backed by boats.Logical formLearned from2 sentences.