Fill in the blank (_) in the following sentence from the following choices.
Sentence: Nelson was creating a scrapbook. He pasted pictures of Kevin because _ was fond of him.

Choice 1: Nelson was creating a scrapbook. He pasted pictures of Kevin because Nelson was fond of him.
Choice 2: Nelson was creating a scrapbook. He pasted pictures of Kevin because Kevin was fond of him.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.