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
Classify these MLB teams as either National League or American League teams: New York Mets, St. Louis Cardinals, Los Angeles Dodgers, Arizona Diamondbacks, Tampa Bay Rays, New York Yankees, Houston Astros, Oakland A's


assistant
National League: New York Mets, St. Louis Cardinals, Los Angeles Dodgers, Arizona Diamondbacks
American League: Tampa Bay Rays, New York Yankees, Houston Astros, Oakland A's