Question: How can things that are very tall have things lifted up them?
Choices:
text: a kite is flown with a string attached
label: A
text: a string that loops from top to bottom
label: B
text: flats are flown to the top of poles
label: C
text: a flagpole is leaned down to get a flag on it
label: D
Answer: B
Fact: a pulley is used to lift a flag on a flagpole