Please choose the correct solution to the question: how to load a glue gun

Solution1: Take a fresh glue stick and place one end into the circular opening in the back of the gun. Slide it in until it dances and then stops.

Solution2: Take a fresh glue stick and place one end into the circular opening in the back of the gun. Slide it in until it stops.

Answer format: solution1/solution2
Answer: solution2