Small World I High B Knew Uncle Family

"I didn't know that you knew my uncle. What a small world."
"You have family in Florida too? What a small world."
"I went to high school with his mom, what a small world."

A. "Do you see that guy over there?"
B. "Yes, what about him."
A. "We used to play football together in high school."
B. "Wow, what a small world!"

Other Common Sentences

"What are the chances of that?"