A male may have a pen.Logical formLearned from77 sentences. (Pen pals) may pertain-to a person.Logical formLearned from76 sentences. A pen may work.Logical formLearned from76 sentences. Pens can be blue.Logical formLearned from75 sentences. A male may pick_up a pen.Logical formLearned from75 sentences. A person may take a pen.Logical formLearned from75 sentences. A pen can be pink.Logical formLearned from74 sentences. Strokes may pertain-to a pen.Logical formLearned from73 sentences. A person may receive a (ballpoint pen).Logical formLearned from72 sentences. A (ballpoint pen) can be inscribed.Logical formLearned from72 sentences. A (ballpoint pen) may pertain-to a newspaper.Logical formLearned from72 sentences. A person may use a pen.Logical formLearned from72 sentences. A pen can be outdoor.Logical formLearned from70 sentences. A male may put_down a pen.Logical formLearned from69 sentences. A pen can be permanent.Logical formLearned from69 sentences.