Persons may study theory.Logical formLearned from14 sentences. A US-president may be studied.Logical formLearned from14 sentences. Economists may study.Logical formLearned from14 sentences. Students may study with faculty.Logical formLearned from14 sentences. A (college program) may study in some country.Logical formLearned from14 sentences. (Risk factors) may be studied.Logical formLearned from14 sentences. A male may study geometry.Logical formLearned from14 sentences. Researcher may study a relationship.Logical formLearned from14 sentences. Molecules may be studied.Logical formLearned from14 sentences. A male may study an area.Logical formLearned from14 sentences. A person may study evolution.Logical formLearned from14 sentences. Persons may study phenomena.Logical formLearned from14 sentences. A government-agency may be studied.Logical formLearned from14 sentences. A female may study ways.Logical formLearned from14 sentences. Researcher may study ways.Logical formLearned from14 sentences.