An increase can be in (pirate attacks).Logical formLearned from16 sentences. Pirates can be on a month.Logical formLearned from16 sentences. Attack can be from pirates.Logical formLearned from16 sentences. A vessel may be seized by somali pirates.Logical formLearned from16 sentences. Pirates may be armed.Logical formLearned from16 sentences. Pirates may be killed.Logical formLearned from16 sentences. Some groups can be constituted-of-or-filled-with pirates.Logical formLearned from15 sentences. A level can be for pirates.Logical formLearned from15 sentences. Pirates can be active.Logical formLearned from15 sentences. Pirates may pertain-to a sequel.Logical formLearned from15 sentences. A man may sail of pirates.Logical formLearned from15 sentences. Pirates may be seized.Logical formLearned from15 sentences. Pirates may seize some ship off a coast.Logical formLearned from15 sentences. Pirates may think that something-is-the-case.Logical formLearned from15 sentences. A rotation may pertain-to pirates.Logical formLearned from15 sentences.