A 5-6 can be combined.Logical formLearned from4 sentences. An ecosystem can be combined.Logical formLearned from4 sentences. A (war party) can be combined.Logical formLearned from4 sentences. (Guerrilla forces) can be combined.Logical formLearned from4 sentences. A (pet/ct scanner) can be combined.Logical formLearned from4 sentences. Towns can be combined.Logical formLearned from4 sentences. A municipal district can be combined.Logical formLearned from4 sentences. Songs can be combined.Logical formLearned from4 sentences. Millions can be combined.Logical formLearned from4 sentences. (Century hundreds) can be combined.Logical formLearned from4 sentences. A beast can be combined.Logical formLearned from4 sentences. A transmitter can be combined.Logical formLearned from4 sentences. An idea can be combined.Logical formLearned from4 sentences. A newsagent can be combined.Logical formLearned from4 sentences. Military hospitals can be combined.Logical formLearned from4 sentences.