Goal and options: Remove stuck lego pieces.
output answer: Spray WD-40 in between cracks.

Goal and options: How to make a Long lasting Rootbeer slurpee float at home.
output answer: Use Ice tray to freeze Root beer. When root beer (Ice) is frozen, place ice cubes in a blender. Mix on low at first then raise speed. Add 1/2 cup Root beer. When blended serve in a glass. Place a scoop of vanilla Ice cream on top. Because it is all cold you can mix the ice cream with the soda for a long lasting treat.

Goal and options: To hold a nail while hammering it
output answer:
Use a clothespin to grip it at the clothesline end.