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 Q]: 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 A]: shelf

[EX Q]: Timmy was allergic to pineapples but not to bananas. The _ made him feel itchy and uncomfortable.
[EX A]: pineapples

[EX Q]: John could not remove the wallpaper attached to the wall with a glue without the wallpaper tearing apart. The _ is weak.
[EX A]:
wallpaper