A pen may work.Logical formLearned from46 sentences. Pens can be personalized.Logical formLearned from45 sentences. A person may use a (pen name).Logical formLearned from45 sentences. A pen can be presidential.Logical formLearned from45 sentences. Pens can be disposable.Logical formLearned from45 sentences. A male may be knowned by a (pen name).Logical formLearned from45 sentences. A person may write with a pen.Logical formLearned from44 sentences. A person may set_down a pen.Logical formLearned from44 sentences. A person may use pens.Logical formLearned from44 sentences. A pen may move.Logical formLearned from44 sentences. A pen can be wooden.Logical formLearned from43 sentences. A pen may undergo scratchings.Logical formLearned from42 sentences. A male may pick_up a pen.Logical formLearned from42 sentences. A (veto pen) may pertain-to a president.Logical formLearned from42 sentences. A person may use pen.Logical formLearned from42 sentences.