[Q]: Objective: how do you hang up on a phonecall?
[A]: take the phone away from you ear and click the end key on the screen.

[Q]: Objective: box cutter
[A]: opens skin if miss the box

[Q]: Objective: Untangle a shoe lace knot.
[A]: Rub cornstarch on knot.

[Q]: Objective: water
[A]:
can clean dogs