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 the below natural satellites based on the whether they are moon of Mars or Jupiter. 
Phobos, Deimos, Europa, Ganymede


assistant
Mars - Phobos, Deimos
Jupiter - Europa, Ganymede