Researcher may analyze facial expressions.Logical formLearned from7 sentences. A facial mask can be homemade.Logical formLearned from7 sentences. Styles can be constituted-of-or-filled-with facial hair.Logical formLearned from7 sentences. A stripe can be facial.Logical formLearned from7 sentences. A (hair situation) can be facial.Logical formLearned from7 sentences. A facial expression can be neutral.Logical formLearned from7 sentences. A cleaning can be facial.Logical formLearned from7 sentences. Heads may have facial features.Logical formLearned from7 sentences. A facial hair can be grown.Logical formLearned from7 sentences. A balance can be facial.Logical formLearned from7 sentences. A person may watch facial expressions.Logical formLearned from7 sentences. A last night can be facial.Logical formLearned from7 sentences. A male may have facial features.Logical formLearned from7 sentences. An excuse can be for facial hair.Logical formLearned from7 sentences. A person may have facial expressions.Logical formLearned from7 sentences.