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]: The engineer created robots to replace the algorithms at solving the puzzle. The _ were more advanced.
[EX A]: robots

[EX Q]: Since she was trying to be healthy, the woman chose the sandwich over the soup because the _ was high in nutrients.
[EX A]: sandwich

[EX Q]: Since Jane had sensitive skin, she preferred the cotton scarf instead of the wool scarf. The _ was soft.
[EX A]:
cotton