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

A human cannot survive the loss of the liver of the following.
A human CANNOT survive the loss of which of the following?

Seedless and seed are the two divisions of vascular plants.
What are the two divisions of vascular plants?

The innermost layer of the sun is known as the core.
The innermost layer of the sun is known as what?