A mother may study.Logical formLearned from14 sentences. A female may study a nature of epithelial cells.Logical formLearned from14 sentences. A scientist may study a penis.Logical formLearned from14 sentences. A person may study a knack.Logical formLearned from14 sentences. A male may study rats.Logical formLearned from14 sentences. Net may study showgirls.Logical formLearned from14 sentences. A sample may be studied.Logical formLearned from14 sentences. Devices may be studied.Logical formLearned from14 sentences. Students may study at a distance.Logical formLearned from14 sentences. Students may study some languages.Logical formLearned from14 sentences. A person may study from home.Logical formLearned from14 sentences. (Risk factors) may be studied.Logical formLearned from14 sentences. Persons may study a transition.Logical formLearned from14 sentences. Scientists may study animals.Logical formLearned from14 sentences. A person may study a trend.Logical formLearned from14 sentences.