Question part
Is the following statement true?
"Shark, known to mariners as sea dogs, contains five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head."
Answer part
Oh man, I think this is the solution: Several shark species termed "dogfish," or the porbeagle state why Shark is known as sea dogs. The answer is yes.

Question part
Does the following sentence make sense?
"Christian IV of Denmark defeated Julius Caesar in battle."
Options:
- yes
- no
Answer part
Oh man, I think this is the solution: Christian IV of Denmark and Julius Caesar did not live in the same time period. The answer is no.

Question part
Is the following a factual statement?
"Douglas Adams built a bridge from Memphis, Tennessee to Lubbock, Texas in the late 18th Century."
Options:
- yes
- no
Answer part
Oh man, I think this is the solution: The 18th Century ended long before Douglas Adams was born and there is no bridge from Memphis to Lubbock. The answer is no.

Question part
Is the following sentence factually correct?
"Valerian root steeped in hot water promotes sleep."
Options:
- yes
- no
Answer part
Oh man, I think this is the solution: Valerian root is sold in health food stores as a remedy for insomnia. The answer is yes.