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.

Ex Input:
The planted tree cannot form the shade for the fence yet because the _ is shorter.

Ex Output:
tree


Ex Input:
Mary brought a ball to the field to play soccer, but she couldn't because the _ was flat.

Ex Output:
ball


Ex Input:
The soggy carpet had to be replaced after the flood due to black mold, because the _ caused health problems.

Ex Output:

mold