A muscle can be strong.Logical formLearned from19 sentences. A person may have muscles.Logical formLearned from19 sentences. Muscles may pertain-to a forehead.Logical formLearned from19 sentences. A male may work muscles.Logical formLearned from19 sentences. A (muscle growth) may pertain-to a person.Logical formLearned from19 sentences. Muscles may pull.Logical formLearned from19 sentences. A female may squeeze muscles.Logical formLearned from19 sentences. A muscle may undergo a flexing.Logical formLearned from19 sentences. A (muscle building) can be nonsense.Logical formLearned from19 sentences. Tension can be in muscles.Logical formLearned from19 sentences. A person may have (muscle mass).Logical formLearned from19 sentences. A strain may pertain-to muscles.Logical formLearned from19 sentences. A (muscle strength) may pertain-to a male.Logical formLearned from19 sentences. A mind can be a muscle.Logical formLearned from19 sentences. Muscles may undergo a weakening.Logical formLearned from19 sentences.