Question: "The Chinchilla population has increased significantly over the last 15 years due to an increase in mating and lowered gestational periods."
Is the above claim true?
Options:
- yes
- no

Let me think..... The chinchilla is listed as endangered due to a 90% population loss over the last 15 years. The answer is no.

Question: "The Twelve-tone technique has two different versions."
Is the above claim true?
Options:
- yes
- no

Let me think..... Josef Matthias Hauer first published the twelve-tone technique in 1919 but Arnold Schoenberg made another version in 1923. The answer is yes.

Question: Is the following statement true?
"Ecotourism also includes Big Game hunting."

Let me think..... Big Game hunting is not about preserving nature, it is mainly a money making, trophy fueled enterprise. The answer is no.

Question: Claim: "The group Led Zeppelin is known worldwide for many hard rock classics hits."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
Let me think..... Majority middle aged people around the world know "Stairways to Heaven" and "Whole Lotta Love" songs. The answer is yes.