Gunboats are used in the military so they are not able to be bought.
no
Yes / no, is the following a verifiable fact?
"Gunboats can be bought by anyone online."

Transformer transmits electric energy and does not disconnect it.
no
Yes / no, is the following a verifiable fact?
"Transformer disconnects power from electric sources."

Humans need to eat food in order to live.
no
Is the following sentence factually correct?
"Hunger only exists in our minds and we do not really need food to survive."
Options:
- yes
- no