Please choose the correct solution to the question: To make a hamburger,

Solution1: grill a hamburger patty on a bbq grill, and place the raw patty onto a hamburger bun with a slice of cheese and a piece of lettuce.

Solution2: grill a hamburger patty on a bbq grill, and place the cooked patty onto a hamburger bun with a slice of cheese and a piece of lettuce.

Answer format: solution1/solution2
Answer: solution2