Fill in the blank (_) in the following sentence from the following choices.
Sentence: Erin lacked the green thumb that Mary had been gifted with, so _ managed to kill the cactus.

Choice 1: Erin lacked the green thumb that Mary had been gifted with, so Erin managed to kill the cactus.
Choice 2: Erin lacked the green thumb that Mary had been gifted with, so Mary managed to kill the cactus.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.