Task: Question Generation
Input (English): #1 return students 
#2 return allergy of #1 
#3 return #1 where #2 is  to  milk 
#4 return #1 where #2 is  to  cat 
#5 return #3 or  #4 
#6 return distinct first names of #5 
#7 return cities of #5 
#8 return #6 ,  #7
Output (English): What are the distinct first names and cities of the students who have allergy either to milk or to cat?