Fill in the blank (_) in the following sentence from the following choices.
Sentence: Matthew was a vegetarian but Kevin adored seafood; _ thought lobsters and crayfish were disgusting.

Choice 1: Matthew was a vegetarian but Kevin adored seafood; Matthew thought lobsters and crayfish were disgusting.
Choice 2: Matthew was a vegetarian but Kevin adored seafood; Kevin thought lobsters and crayfish were disgusting.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.