Pens can be overhead.Logical formLearned from5 sentences. (Pen names) can be female.Logical formLearned from5 sentences. A male may write with pen.Logical formLearned from5 sentences. A male may put a pen to a paper.Logical formLearned from5 sentences. A pen may touch a paper.Logical formLearned from5 sentences. A (detector pen) can be effective in detecting (currency bills).Logical formLearned from5 sentences. (Detector pen persons) can be counterfeit.Logical formLearned from5 sentences. A pen may shake.Logical formLearned from5 sentences. Pens may pertain-to a US-city.Logical formLearned from5 sentences. A (gel pen) can be purple.Logical formLearned from5 sentences. A female may live in a pen.Logical formLearned from5 sentences. A pen can be at hand.Logical formLearned from5 sentences. An end may pertain-to a pen.Logical formLearned from5 sentences. Pens may be lost.Logical formLearned from5 sentences. A pen may be filled with lions.Logical formLearned from5 sentences.