TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Are humans a new or old species on the earth?

SOLUTION: Are humans a new or old species on the earth?

PROBLEM: When gas particles heat up, pressure increase.

SOLUTION: Does pressure increase or decrease when gas particles heat up?

PROBLEM: Apes and bats are the 2 primary hosts of ebola in central africa.

SOLUTION:
What are the 2 primary hosts of ebola in central africa?