Please choose the correct solution to the question: How do you cut down a tree?

Solution1: Using a chainsaw, carefully cut out a wedge in the tree in the direction you want it to fall, gradually making it bigger and bigger.

Solution2: Using a pocket knife, carefully cut out a wedge in the tree in the direction you want it to fall, gradually making it bigger and bigger.

Answer format: solution1/solution2
Answer: solution1