A pen may be stuck.Logical formLearned from9 sentences. (Felt-tip pens) can be colored.Logical formLearned from9 sentences. A person may get pens.Logical formLearned from9 sentences. A pen can be on a table.Logical formLearned from9 sentences. Pens can be wonderful.Logical formLearned from9 sentences. Pens can be pretty.Logical formLearned from9 sentences. A pen can be skillful.Logical formLearned from9 sentences. A president may pertain-to a pen.Logical formLearned from9 sentences. A pen can be fluffy.Logical formLearned from9 sentences. A pen may run_out of ink.Logical formLearned from9 sentences. A person may give a male a pen.Logical formLearned from9 sentences. Pens can be assorted.Logical formLearned from9 sentences. A bit can be constituted-of-or-filled-with pen.Logical formLearned from9 sentences. A person may see a pen.Logical formLearned from9 sentences. A person may get_out a pen.Logical formLearned from9 sentences.