Does the following sentence make sense?
"Current research has found that Quartz crystals have a proven healing ability that has no scientific explanation."
Options:
- yes
- no
no
No crystals of any kind have ever passed the double blind test for healing or anything supernatural.

Claim: "Toucans use their beaks to peck into trees and find insect to eat."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
no
Woodpeckers, not toucans, use their beaks to peck trees and find insects for food.

Is the following sentence factually correct?
"A fast dog breed used foe dog races is Greyhound s."
Options:
- yes
- no
yes
A greyhound is a breed that is often used to race.

"Weevil jump a motorcycle over the Snake River Canyon in the latter half of the 20th Century."
Is the above claim true?
Options:
- yes
- no
no
A weevil cannot ride motorcycles and no member of that species has ever jumped any canyon.