Fill in the blank (_) in the following sentence from the following choices.
Sentence: At the party, Aaron stained Kevin's carpet by spilling red wine, which made _ feel embarassed.

Choice 1: At the party, Aaron stained Kevin's carpet by spilling red wine, which made Aaron feel embarassed.
Choice 2: At the party, Aaron stained Kevin's carpet by spilling red wine, which made Kevin feel embarassed.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.