Is the following sentence factually correct?
"Romeo and Juliet cohabit before they will get married."
Options:
- yes
- no
no
Romeo and Juliet is actually a love story play set in the 16th century and are not regular male and female name.

Yes / no, is the following a verifiable fact?
"The Detroit River separates the U.S. from Canada."
yes
The Detroit River is an international boundary line.

Claim: "The Human leg allows people to walk."
Is the claim above correct, and can it be verified by human common sense and without a web search?
Options:
- yes
- no
yes
Humans use their legs to stand up and walk.

Is the following a factual statement?
"Holmium, a chemical element, represented with the symbol Ho and atomic number 67 is a rare-earth element."
Options:
- yes
- no
yes
Holmium is a rare-earth element that appears silvery white.