TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Lipids are available to the body from three sources.

SOLUTION: Lipids are available to the body from how many sources?

PROBLEM: Elements are pure substances that make up all matter.

SOLUTION: Elements are pure substances that make up what?

PROBLEM: Autoimmunity can develop with time, and its causes may be rooted in this molecular mimicry.

SOLUTION:
Autoimmunity can develop with time, and its causes may be rooted in this?