Task: Question Decomposition
Input (English): question: Which commuter group had more people, those who commuted by driving alone or those who commuted via carpool?
Output (English): #1 return people who  commuted  by driving alone 
#2 return people who  commuted  via carpool 
#3 return number of  #1 
#4 return number of  #2 
#5 return which is highest of #3 ,  #4