Persons may study an ability.Logical formLearned from12 sentences. Themselves may be studied.Logical formLearned from12 sentences. Items may be studied.Logical formLearned from12 sentences. A lab may study mechanisms.Logical formLearned from12 sentences. A person may study a drug.Logical formLearned from12 sentences. A person may be studied for some years.Logical formLearned from12 sentences. A male may study with composer.Logical formLearned from12 sentences. A friend may study.Logical formLearned from12 sentences. A male may study german.Logical formLearned from12 sentences. Books may be studied.Logical formLearned from12 sentences. Alternatives may be studied.Logical formLearned from12 sentences. A way may be studied.Logical formLearned from12 sentences. Persons may study films.Logical formLearned from12 sentences. Responses may be studied.Logical formLearned from12 sentences. A male may study writing.Logical formLearned from12 sentences.