Effects may be studied.Logical formLearned from38 sentences. Some children may study.Logical formLearned from38 sentences. Families may be studied.Logical formLearned from38 sentences. A country may study ways.Logical formLearned from38 sentences. A male may study musicology.Logical formLearned from37 sentences. A person may study for some months.Logical formLearned from37 sentences. A person may study a map.Logical formLearned from37 sentences. A staff may study.Logical formLearned from37 sentences. A male may study illustration.Logical formLearned from37 sentences. A person may study in a library.Logical formLearned from37 sentences. A (college student) may study in a country.Logical formLearned from37 sentences. Researcher may study (satellite photos) of thousands of cows.Logical formLearned from37 sentences. Scientists may study.Logical formLearned from37 sentences. A male may study a subject.Logical formLearned from37 sentences. A person may study diseases.Logical formLearned from37 sentences.