Question: "Presidency of Richard Nixon was far ahead in the polls in the 1972 presidential election, but during the campaign, Nixon operatives conducted several illegal operations designed to undermine the opposition."
Is the above claim true?
Options:
- yes
- no
Ans and explanation: The answer is yes.
Explanation: Economically, the Nixon years saw the start of a period of "stagflation" that would continue into the 1970s.

Question: Is the following sentence factually correct?
"Mosses are vascular plants that reproduce via flowers."
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: Mosses are non-vascular and reproduce via spores without any flowers or fruits.

Question: "Measles do not exist in every nation."
Is the above claim true?
Options:
- yes
- no
Ans and explanation: The answer is no.
Explanation: Measles is an illness that can be found around the world.

Question: Yes / no, is the following a verifiable fact?
"Lynyrd Skynyrd released the smash hits Sweet Home Alabama and Free Bird."
Ans and explanation:
The answer is yes.
Explanation: These are two of the band's greatest hits.