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:
Winston went to the gym to get in shape, and decided to run on the treadmill and lift weights. The _ helped him lose weight.

Ex Output:
treadmill


Ex Input:
Andrew took notes and asked his teacher lots of questions in class, and he thought that the _ helped him prepare for the test.

Ex Output:
notes


Ex Input:
James should have not put the expired topping on the newly cut salad because the _ is rotten.

Ex Output:

topping