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 dad played catch with his son, but he had trouble throwing and hitting the ball. The _ was too much trouble.

Ex Output:
hitting


Ex Input:
Under the reflection of the light bulb, i can only see the clock frame and not the face because the _ is unreflective.

Ex Output:
frame


Ex Input:
The driveway was clear of snow, but the walkway was still packed.  A pathetic effort had been put into clearing the _ .

Ex Output:

walkway