A trial can be unofficial.Logical formLearned from16 sentences. A couple can be unofficial.Logical formLearned from16 sentences. Presidential elections can be unofficial.Logical formLearned from16 sentences. A backing can be unofficial.Logical formLearned from16 sentences. Reasons can be unofficial.Logical formLearned from16 sentences. Allies can be unofficial.Logical formLearned from16 sentences. Collaborators can be unofficial.Logical formLearned from16 sentences. Indications can be unofficial.Logical formLearned from16 sentences. A (goodwill ambassador) can be unofficial.Logical formLearned from15 sentences. A post can be unofficial.Logical formLearned from15 sentences. An influence can be unofficial.Logical formLearned from15 sentences. A name can be unofficial.Logical formLearned from15 sentences. A (court reporter) can be unofficial.Logical formLearned from15 sentences. A (national anthem) can be unofficial.Logical formLearned from15 sentences. Terms can be unofficial.Logical formLearned from15 sentences.