Regard may undergo an expression.Logical formLearned from11 sentences. An expression may soften into a smile.Logical formLearned from11 sentences. An expression can be smooth.Logical formLearned from11 sentences. An expression may pertain-to a professor.Logical formLearned from11 sentences. A multitude can be constituted-of-or-filled-with expressions.Logical formLearned from11 sentences. An American-and may find expression.Logical formLearned from11 sentences. An union may undergo an expression.Logical formLearned from11 sentences. A female may have some expressions.Logical formLearned from11 sentences. An expression can be at an end.Logical formLearned from11 sentences. Information may undergo expressions.Logical formLearned from11 sentences. A person may watch expressions.Logical formLearned from11 sentences. A view may show an expression.Logical formLearned from11 sentences. A person may put on an expression.Logical formLearned from11 sentences. A male may make facial expressions.Logical formLearned from11 sentences. An (expression matcher) can be regular.Logical formLearned from11 sentences.