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.

Q: Rachel's date was shorter than she, so she wore her shoes rather than her boots, because the _ had low heels.

A: shoes
****
Q: We took the tools out of their individual bags and put them in boxes, as we wanted them together, so the _ were no longer needed to store them properly.

A: bags
****
Q: The water escaped out of the lake while the rock remained, since the _ was solid .

A:
rock
****