[Q]: Which of the following solutions is better for the following goal:
how do you open youtube on an iphone?

[A]: click on the you tube app.

[Q]: Which of the following solutions is better for the following goal:
How do I clean sticky vinyl shelves?

[A]: If the vinyl coating is sticky, dab a little of a citrus-based product used to remove sticker residue onto a paper towel. Wipe the entire shelf down if the whole shelf is sticky, or just the affected areas.

[Q]: Which of the following solutions is better for the following goal:
How to frost cake.

[A]: Scoop frosting with a rubber spatula and spread evenly over the top of the cake.

[Q]: Which of the following solutions is better for the following goal:
To rename a file on a computer,

[A]:
press the "f2" button on your computer when selecting a file.