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.

Example Input: George opted for both of them to use a knife instead of a gun in the duel because the _ could mortally injure them.
Example Output: gun

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

Example Input: The letters on the sign were easier to read than those on the blackboard, because the _ was smaller.
Example Output:
blackboard