Fill in the blank (_) in the following sentence from the following choices.
Sentence: The dog was cooler than the cat because the _ was sitting under the tree.

Choice 1: The dog was cooler than the cat because the dog was sitting under the tree.
Choice 2: The dog was cooler than the cat because the cat was sitting under the tree.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2. The dog was cooler than the cat because the cat was sitting under the tree. (This sentence is incorrect as written, but the