Pigs may swim.Logical formLearned from12 sentences. Teenagers may swim in a river.Logical formLearned from12 sentences. Sperm may swim.Logical formLearned from12 sentences. Blacks may swim.Logical formLearned from11 sentences. A family may swim.Logical formLearned from11 sentences. A river may swim.Logical formLearned from11 sentences. A room may swim.Logical formLearned from11 sentences. A person may swim to days.Logical formLearned from11 sentences. Days may swim through sunken ships.Logical formLearned from11 sentences. Polar bears may swim from land.Logical formLearned from11 sentences. A male may swim a river.Logical formLearned from11 sentences. A male may swim a backstroke.Logical formLearned from11 sentences. A person may swim some hours.Logical formLearned from11 sentences. A female may swim in a sea.Logical formLearned from11 sentences. A face may swim into view.Logical formLearned from11 sentences.