Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Ex Input:
The love canal tragedy was an infamous example of industrial waste dumping.

Ex Output:
Love canal was an infamous example of what type of pollution?


Ex Input:
Pangaea began breaking apart 250 million years ago.

Ex Output:
How many millions of years ago did pangaea begin breaking apart?


Ex Input:
Activities that can reduce the effects of edema condition include exercises to keep the blood and lymph flowing through affected areas.

Ex Output:

Activities that can reduce the effects of what condition include exercises to keep the blood and lymph flowing through affected areas?