A series can be constituted-of-or-filled-with yawns.Logical formLearned from8 sentences. A yawn can be slow.Logical formLearned from8 sentences. A female may fake a yawn.Logical formLearned from7 sentences. A yawn can be exhausted.Logical formLearned from7 sentences. A yawn may be interrupted.Logical formLearned from7 sentences. A yawn can be prolonged.Logical formLearned from6 sentences. A yawn can be languid.Logical formLearned from6 sentences. A male may fight a yawn.Logical formLearned from6 sentences. A female may stifle some yawn.Logical formLearned from6 sentences. A person may have a (yawn face).Logical formLearned from6 sentences. A male may say on a yawn.Logical formLearned from6 sentences. A person may say with a yawn.Logical formLearned from6 sentences. Persons may get a yawn.Logical formLearned from6 sentences. A male may answer with a yawn.Logical formLearned from6 sentences. A female may tell a male with a yawn.Logical formLearned from6 sentences.