A destroyer may be patrolled.Logical formLearned from19 sentences. A destroyer may be damaged.Logical formLearned from19 sentences. Destroyer may close.Logical formLearned from19 sentences. A country may dispatch a destroyer.Logical formLearned from19 sentences. A destroyer may begin.Logical formLearned from19 sentences. A country may launch a destroyer.Logical formLearned from19 sentences. A destroyer may arrive.Logical formLearned from18 sentences. A class can be a class of some destroyers of a military-or-other-action-organization.Logical formLearned from18 sentences. A group can be constituted-of-or-filled-with some destroyers.Logical formLearned from18 sentences. A destroyer may operate.Logical formLearned from18 sentences. A screen can be constituted-of-or-filled-with some destroyers.Logical formLearned from18 sentences. A destroyer can be masked.Logical formLearned from18 sentences. A concept may pertain-to a destroyer.Logical formLearned from18 sentences. A destroyer may pertain-to the world.Logical formLearned from18 sentences. Destroyer may implement a vetch.Logical formLearned from18 sentences.