input question: Make a line tensioner.

output answer: Use a rope threaded through and around a pulley, with a weight connected to the other end of the rope, and pull the rope to adjust the line tension.

input question: To soothe a newborn baby,

output answer: swaddle the baby tightly and hug it close to your body.

input question: how do you power off a computer?

output answer:
Press the power button on the computer tower.