instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Water, air, and milk list includes only examples of matter that can take the shape of a container.
answer:
Which list includes only examples of matter that can take the shape of a container?

question:
A visual "copy" of an object that is formed by reflected or refracted light is called image.
answer:
A visual "copy" of an object that is formed by reflected or refracted light is called what?

question:
The long bone work as lever.
answer:
What type of function does the long bone perform?