Pens may undergo an indentation.Logical formLearned from6 sentences. A male may ask for a pen.Logical formLearned from6 sentences. A (glaze pen) can be black.Logical formLearned from6 sentences. A pen can be gorgeous.Logical formLearned from6 sentences. A (pen holder) may pertain-to a person.Logical formLearned from6 sentences. A female may set a pen.Logical formLearned from6 sentences. A male may search for a pen.Logical formLearned from6 sentences. A branch can be constituted-of-or-filled-with pen.Logical formLearned from6 sentences. An (inking pen) may pertain-to a person.Logical formLearned from6 sentences. A (ball pen) may pertain-to a male.Logical formLearned from6 sentences. Slots can be for pens.Logical formLearned from6 sentences. A (hog pen) may pertain-to a male.Logical formLearned from6 sentences. A female may take_out a pen.Logical formLearned from6 sentences. A portion may pertain-to a pen.Logical formLearned from6 sentences. A (pen tip) may pertain-to a person.Logical formLearned from6 sentences.