Fill in the blank (_) in the following sentence from the following choices.
Sentence: Christine likes to go to the beach but Amy likes to go to the mountains, so _ booked a trip to Ft. Lauderdale.

Choice 1: Christine likes to go to the beach but Amy likes to go to the mountains, so Christine booked a trip to Ft. Lauderdale.
Choice 2: Christine likes to go to the beach but Amy likes to go to the mountains, so Amy booked a trip to Ft. Lauderdale.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2. This is incorrect because the sentence states "so Amy booked a trip to Ft. Lauderdale," but the correct answer