TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Glycerol is a triol, an alcohol which contains three hydroxl functional groups.

SOLUTION: Glycerol is a triol, an alcohol which contains three what?

PROBLEM: Some gametophytes develop underground and form mycorrhizal associations with fungi.

SOLUTION: Some gametophytes develop underground and form mycorrhizal associations with what?

PROBLEM: The right atrium of the heart receives the blood is pumped from veins of the systemic circuit.

SOLUTION:
What part of the heart receives the blood is pumped from veins of the systemic circuit?