Fill in the blank (_) in the following sentence from the following choices.
Sentence: Kayla suffered from arthritis and declined to go for a walk, but Lindsey did not, because _ had healthy joints.

Choice 1: Kayla suffered from arthritis and declined to go for a walk, but Lindsey did not, because Kayla had healthy joints.
Choice 2: Kayla suffered from arthritis and declined to go for a walk, but Lindsey did not, because Lindsey had healthy joints.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
2.