A yawn may wake a female to a realization.Logical formLearned from4 sentences. A female may cover a yawn with a hand.Logical formLearned from4 sentences. Yawns may pertain-to persons.Logical formLearned from4 sentences. A bed can be with a yawn.Logical formLearned from4 sentences. A person may fake a yawn.Logical formLearned from4 sentences. A person may hide some yawn.Logical formLearned from4 sentences. A case may pertain-to yawns.Logical formLearned from4 sentences. A yawn can be in a process.Logical formLearned from4 sentences. A best friend can be sensitive to catching yawns.Logical formLearned from4 sentences. Cues-could may read a (yawn signal).Logical formLearned from4 sentences. A male may let_out some yawn.Logical formLearned from4 sentences. A person may stifle a yawn.Logical formLearned from4 sentences. Yawns can be about yawns.Logical formLearned from4 sentences. Yawn may be yawned.Logical formLearned from4 sentences. A yawn can be for a person.Logical formLearned from4 sentences.