Problem: Randomly generate a fact.

Random fact: some humans live in houses

Problem: Randomly generate a fact.

Random fact: muscles pull bones to move the bones

Problem: Randomly generate a fact.

Random fact: gravitational force causes objects that have mass to be pulled down on a planet

Problem: Randomly generate a fact.

Random fact:
An example of an instinct is the kangaroo 's ability to crawl into its mother 's pouch to drink milk