Please choose the correct solution to the question: To thread a needle,

Solution1: stick a needle thru the eye of the needle, stick thread thru the eye of the needle, and pull the needle back thru the eye of the needle.

Solution2: stick a needle threader thru the eye of the needle, stick thread thru the eye of the needle threader, and pull the needle threader back thru the eye of the needle.

Answer format: solution1/solution2