Single/multi-choice problem: Which of the following solutions is better for the following goal:
Changing the bit on an adjustable screwdriver.

Choices:
--Choose the type of bit you need. Gently turn the chuck a quarter turn to enlarge the hole so the bit can fit. Place the bit in the hole and tighten the chuck until the bit is secure.
--Choose the type of bit you need. Gently turn the chuck a quarter turn to enlarge the hole so the bit can fit. Place the bit in the hole and tighten the chuck until the bit falls out.
Choose the type of bit you need. Gently turn the chuck a quarter turn to enlarge the hole so the bit can fit. Place the bit in the hole and tighten the chuck until the bit is secure.