A person may rub a heart.Logical formLearned from3 sentences. A person may rub hard.Logical formLearned from3 sentences. Persons may rub a female.Logical formLearned from3 sentences. A (cotton swab) may be dipped in rubbing alcohol.Logical formLearned from3 sentences. Salt may rub.Logical formLearned from3 sentences. A face may rub.Logical formLearned from3 sentences. A farmer may rub hands.Logical formLearned from3 sentences. A man may rub a lamp.Logical formLearned from3 sentences. A male may rub a key with a finger.Logical formLearned from3 sentences. A male may rub a spot.Logical formLearned from3 sentences. A female may rub penis.Logical formLearned from3 sentences. A person may rub at wrists.Logical formLearned from3 sentences. A hand may rub against a male.Logical formLearned from3 sentences. A person may rub an elbow.Logical formLearned from3 sentences. Legs may rub for cramping.Logical formLearned from3 sentences.