Fill in the blank (_) in the following sentence from the following choices.
Sentence: The tantrum thrown by the autistic child was dealt with by Matthew but not Kenneth, because _ had spent a lot of time around special needs kids.

Choice 1: The tantrum thrown by the autistic child was dealt with by Matthew but not Kenneth, because Matthew had spent a lot of time around special needs kids.
Choice 2: The tantrum thrown by the autistic child was dealt with by Matthew but not Kenneth, because Kenneth had spent a lot of time around special needs kids.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1.