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.

[Q]: The computer was stumped by the algorithm but solved the equation with ease, as the _ was so complex.
[A]: algorithm


[Q]: The egg from the farm tasted better than the milk from the store, because the _ was old.
[A]: milk


[Q]: Jane chose to write about dolphins instead of bears for her thesis, although _ were her weakest area of expertise.
[A]:
dolphins