A (defamation suit) may involve a (frigate procurement case).Logical formLearned from3 sentences. A military-or-other-action-organization may purchase some frigates.Logical formLearned from3 sentences. A (perry-class frigate) may pertain-to a country.Logical formLearned from3 sentences. (Missile frigates) may undergo a procurement.Logical formLearned from3 sentences. A frigate can be high-speed.Logical formLearned from3 sentences. Connection can be with a purchase of frigates.Logical formLearned from3 sentences. Some (frigate sale) can be to a country.Logical formLearned from3 sentences. A frigate may undergo commissionings.Logical formLearned from3 sentences. Frigates may be completed.Logical formLearned from3 sentences. Control may pertain-to a frigate.Logical formLearned from3 sentences. A frigate may be involved in an operation.Logical formLearned from3 sentences. A frigate may respond to a (distress call).Logical formLearned from3 sentences. A frigate can be on patrols.Logical formLearned from3 sentences. A frigate may be sent.Logical formLearned from3 sentences. A (naval force) may summon a frigate to an area.Logical formLearned from3 sentences.