Is the following a factual statement?
"One reads the works of Arthur C. Clarke."
Options:
- yes
- no

Let me think out loud. Arthur C. Clarke wrote his body of work. The answer is yes.

Claim: "D'oh! is an exclamation uttered by Homer Simpson."
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 out loud. It is one of Homer's catchphrases that he often says after hurting himself or having something mess up. The answer is yes.

Is the following statement true?
"The world ocean is the largest Ecosystem on planet."
Let me think out loud. The world ocean is covering 71% of the earth surface. The answer is yes.