Persons may use expressions a time.Logical formLearned from10 sentences. Facial expressions may undergo a making.Logical formLearned from10 sentences. A facial expression may warn persons that something-is-the-case.Logical formLearned from10 sentences. Facial expressions can be an action.Logical formLearned from10 sentences. Expression can be revealing of emotions.Logical formLearned from10 sentences. A computer can be responsive to expressions.Logical formLearned from10 sentences. Expressions can be a part of a connection.Logical formLearned from10 sentences. Expressions may persuade persons of convictions.Logical formLearned from10 sentences. Expressions may tell persons.Logical formLearned from10 sentences. Expressions can be inbuilt.Logical formLearned from10 sentences. Expressions may reinforce an emotion.Logical formLearned from10 sentences. Persons may think of expressions.Logical formLearned from10 sentences. Expressions can be inbuilt.Logical formLearned from10 sentences. Persons may trace expressions.Logical formLearned from10 sentences. Cranial nerves may operate facial expressions.Logical formLearned from10 sentences.