A pen can be thick.Logical formLearned from41 sentences. A person may lose a pen.Logical formLearned from41 sentences. A pen can be cool.Logical formLearned from41 sentences. A female may pick_up a pen.Logical formLearned from41 sentences. Pen can be to paper.Logical formLearned from41 sentences. A female may take a pen.Logical formLearned from41 sentences. A male may drop a pen.Logical formLearned from41 sentences. A female can be (pen name).Logical formLearned from40 sentences. An (eraser pen) can be colorful.Logical formLearned from40 sentences. A pen can be disposable.Logical formLearned from38 sentences. Pens can be nice.Logical formLearned from38 sentences. Persons can be (pen pals).Logical formLearned from38 sentences. A male may hold a pen.Logical formLearned from37 sentences. A (dog pen) can be with a (mother dog).Logical formLearned from37 sentences. A pen may stop.Logical formLearned from37 sentences.