Frigates may undergo a procurement.Logical formLearned from18 sentences. (Class frigates) may pertain-to a world-city.Logical formLearned from17 sentences. A female may be converted into some (anti-submarine frigate).Logical formLearned from17 sentences. (Kickback allegations) may surround a purchase of some frigates.Logical formLearned from17 sentences. Frigates can be advanced.Logical formLearned from17 sentences. Commanding officer may pertain-to a frigate.Logical formLearned from16 sentences. (Class frigates) may pertain-to a female.Logical formLearned from16 sentences. A frigate may undergo a deployment.Logical formLearned from16 sentences. A frigate can be wooden.Logical formLearned from16 sentences. A female can be a frigate.Logical formLearned from16 sentences. A male may be appointed to a frigate.Logical formLearned from16 sentences. A frigate may undergo construction.Logical formLearned from16 sentences. A (frigate deal) may pertain-to a military-commander.Logical formLearned from16 sentences. A frigate may be intercepted.Logical formLearned from16 sentences. A frigate may undergo a purchase.Logical formLearned from15 sentences.