A pen may undergo a use.Logical formLearned from91 sentences. A pen may pertain-to a man.Logical formLearned from91 sentences. A (fountain pen) may pertain-to a male.Logical formLearned from89 sentences. A (pen storage area) may be located on a right side.Logical formLearned from87 sentences. A pen can be white.Logical formLearned from87 sentences. A pen can be sharp.Logical formLearned from86 sentences. A pen can be purple.Logical formLearned from84 sentences. A (pen drive) may pertain-to a person.Logical formLearned from84 sentences. A back may pertain-to a pen.Logical formLearned from84 sentences. A pen can be in a hand.Logical formLearned from83 sentences. Pen can be on paper.Logical formLearned from81 sentences. A screen may respond to a pen.Logical formLearned from79 sentences. A person may grab a pen.Logical formLearned from79 sentences. An (active digitizer) may support a pen.Logical formLearned from78 sentences. Men can be with pens.Logical formLearned from78 sentences.