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: James won the legal argument because he presented video evidence that contradicted the witness as the _ was dubious.

A: witness
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Q: Mabel is a nurse and she helps her patients take their medicine before they eat food, even though the _ is good on an empty stomach.

A: food
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Q: She needed to buy a book or newspaper to read on the journey, but the _ was so expensive.

A:
book
****