system
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human
Choose the version of the text that better resolves co-reference.

Input:
Version 1: John went out for a walk. He saw several birds in the park. He stopped to take a picture of them. Version 2: John went out for a walk and saw several birds in the park. He stopped to take a picture of the birds.
gpt
Version 2 is more coherent as it resolves the co-reference in the second sentence by specifying that John stopped to take a picture of the birds he had seen, rather than leaving it open to interpretation.