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.
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Question: Bob saw on a sign that Taco Casa was 5 miles away and Whataburger was 2 miles away. Bob traveled to the _ second because it was farther.

Answer: Taco Casa


Question: They wondered if the blue powder or the red powder would dissolve faster, but they couldn't open the _ one.

Answer: blue


Question: Sam was not able to use the humidifier and instead used nasal spray to soothe his nose congestion, because the _ was dirty.

Answer:
humidifier