Is the following a factual statement?
"Mark Zuckerberg received great wealth from Facebook's existence."
Options:
- yes
- no
yes
Mark Zuckerberg founded and holds a stake in Facebook which is worth a lot of money.

"For any Newbie out there, video games have gotten a huge influence on popular culture in the past two decades."
Is the above claim true?
Options:
- yes
- no
yes
Because Hollywood and independent developers have published films based on video game culture.

"White blood cell perform important functions in helping the body heal."
Is the above claim true?
Options:
- yes
- no
yes
White blood cells are a part of the immune system.

Yes / no, is the following a verifiable fact?
"Grilling leaves the meat with distinctive marks after the steak, burger, or chicken is removed from the heated surface."
yes
Grilling cooks meat by applying pieces of dead animal flesh to a heated element that tends to leave distinctive visible indications of contact with the meat.