Task: Question Generation
Input (English): #1 return mountains 
#2 return #1 in the  country 'Ethiopia 
#3 return photos of #2 
#4 return camera lenses used to  take #3 
#5 return kinds of #4 
#6 return number of  distinct #5
Output (English): How many distinct kinds of camera lenses are used to take photos of mountains in the country 'Ethiopia'?