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.

The women used a ball instead of going to a class for her workout. The _ was very bouncy.
ball

The car engine outperformed the bus engine simply because the _ was inefficient during the test run.
bus

The grass was more welcoming for the cats than the straw , even though the _ was dry .

straw