Which revision fixes the error in this sentence? "Akshay is wearing a suit and tie but his brother is wearing jeans."
1) Akshay is wearing a suit and tie but, his brother is wearing jeans.
2) Akshay is wearing a suit and tie, but his brother is wearing jeans.
3) Akshay is wearing a suit, and tie but his brother is wearing jeans.
4) Akshay is wearing a suit and, tie but his brother is wearing jeans.
