QUESTION: Does Linus Torvalds make money off of DirectX?
Please give rationale first, then the answer.
ANSWER: DirectX is a proprietary technology owned by Microsoft. Linus Torvalds is the creator and lead developer for the open-source Linux kernel. The Linux kernel is used in operating systems that are competitors of Microsoft Windows.. The answer is: no.

QUESTION: Did Joan Crawford guest star on  JAG (TV series)?
Please give rationale first, then the answer.
ANSWER: JAG began airing in 1995. Joan Crawford died in 1977.. The answer is: no.

QUESTION: Could Saint Peter watch television?
Please give rationale first, then the answer.
ANSWER: Saint Peter died in 64 BC. The television was invented in 1900.. The answer is: no.

QUESTION: Was dynamite used during Middle Ages warfare?
Please give rationale first, then the answer.
ANSWER:
The Middle Ages ended with the Fall of Constantinople in 1453. Dynamite was invented by Swedish chemist Alfred Nobel in the 1870s.. The answer is: no.