I'll give you a question, please answer with step-by-step reasoning process.
Hers pets had fleas, not only did she have to treat them but the furniture and what too?\nOptions:\n- carpet\n- rug\n- roof\n- cat\n- dog

rug
Pets plays in all over house so all house furniture and rug needs to be cleaned when pet have fleas.

Pet needs to be treated on getting fleas.

.

Final answer: rug