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

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?


Ex Input:
Gastro-esophageal sphincter sphincter is located at the stomach end of the esophagus and opens to allow the bolus to enter the stomach.

Ex Output:
Which sphincter is located at the stomach end of the esophagus and opens to allow the bolus to enter the stomach?


Ex Input:
Global winds are the winds that occur in belts that encircle the planet.

Ex Output:

What are the winds that occur in belts that encircle the planet?