Solution: Focal Fossa is the most recent Ubuntu release. Ubuntu is a Linux distribution.
Answer: yes
Question: If you're running focal fossa, are you using linux?

Reasoning & answer: The AirTrain JFK was built in December 17, 2003. Katharine Hepburn died on June 29, 2003.
no
Question: Could Katharine Hepburn have ridden the AirTrain JFK?

CoT and answer: The Pyrenees mountains are 305 miles wide. An elite runner can cover 100 miles in around 12 hours.
no
Do reverse engineering and find the question: Can an elite runner circle the Pyrenees in one day?

Solution: Eomer died in a skirmish with orcs outside Rohan at the beginning of Two Towers. Gandalf had been killed by the Balrog at the end of Fellowship of the Ring. Gandalf returns with improved powers later on in Two Towers.
Answer: no
Question: Was Gandalf present at the death of Eomer?

Reasoning & answer: Myocardial infarction is a problem in the heart. The equivalent in the brain would be similar to a stroke.
no
Question: Is myocardial infarction a brain problem?

CoT and answer: The hero of the Hobbit is Bilbo Baggins. Bilbo Baggins is a hobbit, which is a race resembling very short humans with furry feet. Halfling is another term for hobbits, and halflings are described as being half the size of a human. The Drow are a race of dark elves described as being around five feet in height.
yes
Do reverse engineering and find the question:
Would a Drow tower over The Hobbit's hero?