Detailed Instructions: You are given a sentence and a question. You're expected to write the correct answer based on the sentence.
Q: Sentence: Two horses were out on a hot day in a sunny pasture that didn't have any shade for two hours. When their owner came by to take them to a shaded pasture, his white horse was covered in sweat and his bay horse was dry. Question: Which of the horses had been taking it easy?
A:
the bay horse