Please choose the correct solution to the question: To prepare the scallions for kimchi,

Solution1: place washed scallions on a cutting board, cut off the end roots with a knife and discard the rest of the scallions.

Solution2: place washed scallions on a cutting board, cut off the end roots with a knife and discard, the chop the remaining part into 1/4" pieces.

Answer format: solution1/solution2