You need to answer a given question containing a blank (_). Your answer must be one of the two objects mentioned in the question, for example "trophy" and "suitcase". Your answer must not contain a word that is not present in the question. Please don't use articles (e.g., the, a) before the answer.

While the man modified the height of the bike, the boy rode the tricycle, because the _ was the incorrect height.
bike

After walking barefooted, James washed his foot in the bowl of water and the _ got clean.
foot

The workplace environment was nice, the furniture was new but the carpet had a mold smell. The _ was old.

carpet