CoT and answer: The Kanji writing system uses less space to communicate ideas than an alphabet system. Trees are killed to make pages for books.
yes
Do reverse engineering and find the question: Can printing books in kanji instead of the Roman alphabet save trees?

Solution: Helium is less dense than air. Sound travels more quickly through helium than it does through air. When sound travels more quickly, the tone of it raises and sounds higher.
Answer: no
Question: Does the density of helium cause voices to sound deeper?

Reasoning & answer: District managers are responsible for supervising many stores within an area. District managers must travel to the various stores they supervise to ensure peak performance.
yes
Question: In order to work in district management, does one need a car?

CoT and answer: The People's Volunteer Army had 780,000 troops. The cruise ship, Symphony of the Seas, has a capacity of 5,518 people.
no
Do reverse engineering and find the question: Could all People's Volunteer Army hypothetically be transported on Symphony of the Seas?

Solution: Secretariat is a famous race horse. Formula One is an auto racing championship.
Answer: no
Question: Did Secretariat win a Formula One championship?

Solution: Friday is associated with Venus in astrology. Venus is the densest of the terrestrial planets.
Answer: yes
Question:
Would an astrologer focus on the densest terrestrial planet for a Friday horoscope?