Q: Yes / no, is the following a verifiable fact?
"A total of 400,000 people claim to be Cherokee."
A: no
How to explain the answer: There's only about over 300,000 people that are Cherokee.

Q: Yes / no, is the following a verifiable fact?
"A Snowy owl lays many eggs."
A: yes
How to explain the answer: The Snowy owl is a bird, so they are known to lay many clutches of eggs throughout their life.

Q: Is the following statement true?
"Americans use Autopilot to ride a car and fly a plane."
A: yes
How to explain the answer: Autopilot was invented to help the pilot in controlling an aircraft.