A pen may pertain-to a male.Logical formLearned from5 493 sentences. A pen may pertain-to a person.Logical formLearned from5 465 sentences. Pen may be used.Logical formLearned from2 872 sentences. A pen may pertain-to a female.Logical formLearned from1 877 sentences. A pen can be red.Logical formLearned from1 091 sentences. Pens may pertain-to a person.Logical formLearned from970 sentences. A (pen name) may pertain-to a male.Logical formLearned from836 sentences. A pen can be black.Logical formLearned from670 sentences. A stroke may pertain-to a pen.Logical formLearned from589 sentences. A person may have a pen.Logical formLearned from572 sentences. A (veto pen) may pertain-to a male.Logical formLearned from416 sentences. A pen can be blue.Logical formLearned from330 sentences. A (gel pen) can be white.Logical formLearned from322 sentences. A person may have a pen.Logical formLearned from292 sentences. A (pen pal) may pertain-to a person.Logical formLearned from259 sentences.