system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Tell me which months have 30 days and which have 31 days, based on this list: January, February, March, April, May, June, July, August, September, October, November, and December.


assistant
Months that have 30 days are: April, June, September and November.
Months that have 31 days are: January, March, May, July, August, October and December.