Please choose the correct solution to the question: How do you grill hamburger buns?

Solution1: To toast a bun on a grill, grill pan, or griddle, split the bun open, place it cut side down on the grill, and grill until light golden brown, about 10 seconds.

Solution2: To toast a bun on a grill, grill pan, or griddle, split the bun open, place it cut side down on the grill, and grill until dark golden brown, about 10 seconds.

Answer format: solution1/solution2