Messengers may arrive at an office.Logical formLearned from3 sentences. Messengers can be on call.Logical formLearned from3 sentences. Messenger can be on a (motor bike).Logical formLearned from3 sentences. A head may pertain-to a messenger.Logical formLearned from3 sentences. A messenger may die.Logical formLearned from3 sentences. A (bike messenger) can be obnoxious.Logical formLearned from3 sentences. A person may need a messenger.Logical formLearned from3 sentences. Some messengers may endorse a resolution.Logical formLearned from3 sentences. (Chemical messengers) may carry signals.Logical formLearned from3 sentences. A person may work as a (bicycle messenger).Logical formLearned from3 sentences. An eagle can be a messenger.Logical formLearned from3 sentences. Receptors can be for a (chemical messenger).Logical formLearned from3 sentences. A breakthrough can be in an understanding of (chemical messengers).Logical formLearned from3 sentences. (Chemical messengers) may undergo an understanding.Logical formLearned from3 sentences. Nitric oxide can be (messenger molecule).Logical formLearned from3 sentences.