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:
He could either build the birdhouse or the tree-house first, but the _ would take less time to construct.

Ex Output:
birdhouse


Ex Input:
The battery ran out slower on the phone than the iPad because the _ was older.

Ex Output:
iPad


Ex Input:
To ease the pain on his back the man used the ice instead of the heat because the _ was effective.

Ex Output:

ice