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]: Giving a shirt as a gift is a better token of love than giving a hat, as the _ is a stronger symbol of affection.
[EX A]: shirt

[EX Q]: The weightlifter felt a lot more tough when working with barbells than with kettlebells, because the _ worked more complex muscle groups.
[EX A]: barbells

[EX Q]: Bob saw that scab on his hand but not the scar on his elbow being that the _ is hidden.
[EX A]:
scar