Please choose the correct solution to the question: How To Make a Liquid Hourglass

Solution1: You can make a liquid hourglass out of two soda bottles, straws, superglue or epoxy, duct tape, water and oil. You will also need scissors, hot glue gun, and optionally, a funnel.

Solution2: You can make a liquid hourglass out of two soda bottles, straws, superglue or epoxy, duct tape, water and oil. You will also need a sawzall, hot glue gun, and optionally, a funnel.

Answer format: solution1/solution2
Answer: solution1