A male may use a pen.Logical formLearned from25 sentences. A person may buy pens.Logical formLearned from25 sentences. A person may carry a pen.Logical formLearned from25 sentences. A male may pull_out a pen.Logical formLearned from24 sentences. A pen may be used in question.Logical formLearned from24 sentences. A pen can be favourite.Logical formLearned from24 sentences. A female may take a pen.Logical formLearned from24 sentences. A female may hold a pen.Logical formLearned from24 sentences. A member may pertain-to a pen.Logical formLearned from24 sentences. A person may throw a pen.Logical formLearned from24 sentences. A pen may pertain-to a us-state.Logical formLearned from24 sentences. A person may have a (pen pal).Logical formLearned from24 sentences. (Pen pals) can be electronic.Logical formLearned from24 sentences. A person may lay_down a pen.Logical formLearned from23 sentences. Pen can be for dog.Logical formLearned from23 sentences.