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: Jane bought a set of new sheets and blankets for the bed but the _ were too thin.

A: sheets
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Q: Under the reflection of the light bulb, i can only see the clock frame and not the face because the _ is unreflective.

A: frame
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Q: The black ox can carry a heavier load than the brown ox due to the lighter muscle mass of the _ ox.

A:
brown
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