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:
Jeffrey stole copper pipes and wires from the junkyard to sell, and he found the _ were more expensive to sell.

Ex Output:
pipes


Ex Input:
It took longer to study for the History test, than it did for the Math exam. That's cause the teacher is easier in _ .

Ex Output:
math


Ex Input:
Cathy was at the train station because she was waiting for her friend. But the _  arrived.

Ex Output:

train