Classify the below natural satellites based on the whether they are moon of Mars or Jupiter. 
Phobos, Deimos, Europa, Ganymede
Mars - Phobos, Deimos
Jupiter - Europa, Ganymede
### Instruction: Classify the below natural satellites based on the whether they are moon of Mars or Jupiter. 
Phobos, Deimos, Europa, Ganymede
### Context: 
### Answer: Mars - Phobos, Deimos
Jupiter - Europa, Ganymede</s>