The correct answer is The supporting details.
The introduction should contain the thesis while supporting details need to refer to it. A conclusion would usually be a rephrase of the introduction with the addition of reference to the details mentioned.
I'd probably go with the first one because the second one, lifting and stretching arms helps with breathing, the third, taking a run is considered a cool-down exercise and the last one is stretching legs, stretching muscles is advised after a workout. Which leaves me to believe that the answer is the first one.
Totally a glove! The fingers point the way, gloves don't move easily when blown by the wind, the two skins are the glove skin and the person's skin.