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]: I went to petco to purchase a pet spider. I didn't know if I should buy a tarantula or a grass spider. The _ would look cooler.
[EX A]: tarantula

[EX Q]: The girl used the crimper more than the straight iron because the _ made her hair straight.
[EX A]: iron

[EX Q]: When told to pick the blocks up from the rug and put them on the shelf, he put them on the _ because he was obedient.
[EX A]:
shelf