Task: Question Generation
Input (English): #1 return the  immigrants did arrive in  Salina Cruz 
#2 return the  immigrants did arrive in  Coatzacoalcos 
#3 return when  was  #1 
#4 return when  was  #2 
#5 return which is lowest of #3 ,  #4
Output (English): Where did the immigrants arrive first, Salina Cruz or Coatzacoalcos?