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 children loved pulling the flowers but could not pull the weeds, as the _ were very delicate.

Ex Output:
flowers


Ex Input:
A boy in a house tries to put a big book on a shelf built for paperbacks. The book falls to the ground because the _ is too narrow.

Ex Output:
shelf


Ex Input:
She preferred brushing her teeth with the manual toothbrush rather than the electric toothbrush because the _ was advanced for her.

Ex Output:

electric toothbrush