Is this year supposed to have an El Nino weather pattern?
user
Do you want me to find out more?  Should I look this up on Wikipedia, or do you already know about this?
assistant
What is El Nino
user
A.k.a. El Niño, an ocean current that brings warmth to the west coast of South America, sometimes creating abnormally dry conditions in that region.
assistant
Is this year supposed to have an El Nino weather pattern?
user
Do you want me to find out more?  Should I look this up on Wikipedia, or do you already know about this?
assistant
What is El Nino
user
El Nino is a change in the sea temperature of the eastern Pacific Ocean.
assistant
Is this year supposed to have an El Nino weather pattern?