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

Children most likely inherit shape of earlobes from their parents.
Which trait do children most likely inherit from their parents?

The outer layer of the sun is made up of plasma.
What is the outer layer of the sun made up of?

The pressure at the core is very high of the following most likely causes earth's inner core to be a solid.
Which of the following most likely causes Earth's inner core to be a solid?