Q: In geometry terms, is the Royal Observatory in Greenwich similar to a yield sign?
A: no
CoT: The main building of the Royal Observatory is the Octagon Room. A yield sign is shaped like a rounded triangle. Two figures are similar if they have the same shape but not necessarily the same size.

Q: Is electricity necessary to balance an account in Microsoft Excel?
A: yes
CoT: Microsoft Excel is a computer program. Computers require a power source.

Q: Are raw carrots better for maximizing vitamin A intake?
A: no
CoT:
3% of the β-carotene in raw carrots is released during digestion, which can be improved to 39% by pulping, cooking and adding cooking oil. Retinal is a form of Vitamin A. Human bodies break down β-carotene into retinal.