TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Starches are complex carbohydrates that are the polymers of glucose.

SOLUTION: What complex carbohydrates are the polymers of glucose?

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?

PROBLEM: Ionic bonds kind of bond doesn't form molecules, but instead forms crystals.

SOLUTION:
What kind of bond doesn't form molecules, but instead forms crystals?