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 heavy bleeding coming out of the nose was entering the mouth because the _ was expelling so much blood.

Ex Output:
nose


Ex Input:
The pine trees were still green in December, but the oak trees were not, because the _ keep their leaves in fall.

Ex Output:
pine trees


Ex Input:
The excavator was abandoned and they brought in a crane to build the house, because the _ proved essential to the process.

Ex Output:

crane