Task: Question Decomposition
Input (English): question: Find out 5 customers who most recently purchased something. List customers' first and last name.
Output (English): #1 return customers  
#2 return when  was  #1 purchased something 
#3 return 5 #1 where #2 is highest 
#4 return first name of #3 
#5 return last name of #3 
#6 return #4 ,  #5