Answer the following question: Is the following a factual statement?
"Mechanics install Prague Springs in automobile seat cushions."
Options:
- yes
- no
My answer and thoughts: The answer is no.
Chain of thoughts: Prague Spring refers to a 1968 period of liberalization in Czechoslovakia, and it has nothing to do with springs in cars.

Answer the following question: Does the following sentence make sense?
"Perch invertebrates, fish eggs, crayfish, mysid shrimp, and juvenile fish."
Options:
- yes
- no
My answer and thoughts: The answer is yes.
Chain of thoughts: The sentence is true because marine biologists have validated the diet of these fish. Perch fish were observed and a comprehensive list of their diets were made.

Answer the following question: Is the following a factual statement?
"The Chevron Corporation boasts proudly of its history being unsullied by any oil spills."
Options:
- yes
- no
My answer and thoughts:
The answer is no.
Chain of thoughts: Chevron has suffered major oil spills in Angola and off the coast of Rio de Janeiro.