instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
If an air mass forms over an ocean it is called a maritime air mass.
answer:
If an air mass forms over an ocean it is called what type of air mass?


question:
You call a substance that is not an acid or a base neutral.
answer:
What do you call a substance that is not an acid or a base?


question:
If no unbalanced force acts on an object the object remains at constant velocity or at rest.
answer:

If no unbalanced force acts on an object the object remains at constant velocity or what?