[Q]: Which of the following solutions is better for the following goal:
how do you pay for food at a drive thru?

[A]: give your payment to the person at the first window.

[Q]: Which of the following solutions is better for the following goal:
how to cure the ink on the thread

[A]: place an iron on low setting over the thread till it is dry

[Q]: Which of the following solutions is better for the following goal:
Reduce water use in laundry machine.

[A]: Wash clothes with cold cycle.

[Q]: Which of the following solutions is better for the following goal:
colander

[A]:
can be used hold rocks