Yes / no, is the following a verifiable fact?
"Paella Seafood must be very cheap to the people everywhere in the world."

Let me think out loud. It depends upon the availability and hence might expensive to some people. The answer is no.

Does the following sentence make sense?
"Mick Foley goes by the name Cactus Jack."
Options:
- yes
- no

Let me think out loud. He used that name for is wrestling persona. The answer is yes.

Is the following statement true?
"Printed circuit board manufacturing has become much cheaper and more efficient in recent years."
Let me think out loud. As technology progresses it usually becomes cheaper, faster, and more accurate to produce things. The answer is yes.