A frigate may strike a reef.Logical formLearned from2 sentences. A force may consist of frigates.Logical formLearned from2 sentences. A frigate may return to a country.Logical formLearned from2 sentences. A guided-missile frigate may stand.Logical formLearned from2 sentences. Range may pertain-to a frigate.Logical formLearned from2 sentences. A female may chase frigates.Logical formLearned from2 sentences. A frigate may undergo a launch.Logical formLearned from2 sentences. A path may pertain-to (patrolling frigates).Logical formLearned from2 sentences. A frigate may undergo a launching.Logical formLearned from2 sentences. Frigates can be after an attack.Logical formLearned from2 sentences. A class can be a class of some frigates.Logical formLearned from2 sentences. An engagement can be with a frigate.Logical formLearned from2 sentences. A frigate may be puted to sea.Logical formLearned from2 sentences. A (frigate class) may be designed without a (gun battery).Logical formLearned from2 sentences. A class can be frigates of a military-or-other-action-organization.Logical formLearned from2 sentences.