Is the following sentence factually correct?
"The largest German Shepherds weigh about 20 pounds."
Options:
- yes
- no
no
German Shepherds are a fairly large dog and generally weight about three to four times that.

Claim: "Johnny Cash influenced generations of musicians."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
yes
Johnny Cash is generally known to have influenced many musicians of varying genres over a number of decades.

Is the following a factual statement?
"Electricians work on plumbing fixtures, like toilets and sinks."
Options:
- yes
- no
no
Most people know that a plumber works on plumbing fixtures.

Is the following statement true?
"Jean-Baptiste Lamarck proposed a type of evolutionary theory years before Darwin."
yes
Jean-Baptiste Lamarck is known as one of the earliest proponents of evolution, preceding Darwin.