Joke Collection Website - Cold jokes - I can't understand this joke. Why is it called a cold joke? Please help.

I can't understand this joke. Why is it called a cold joke? Please help.

Hello, your jokes are very interesting.

Right in English has two meanings: 1. Second from the right. That's right.

Foreign students ask: Do you drive on the left?

The examiner said: Yes. The foreign students mistakenly thought that the instructor said to drive to the right and hung up.

Actually, what the instructor said is right.