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.
--------
Question: When deciding between using the treadmill or the yoga mat for their exercise routine, Alex chose the _ because it was easy.

Answer: yoga mat


Question: The arm was injected with medicine, but not the leg, because the _ had was fine.

Answer: leg


Question: The plane flew at a lower altitude than the helicopter because the _ had more engine power.

Answer:
helicopter