Task: Question Generation
Input (English): #1 return person 
#2 return bookshelf 
#3 return #2 that is on the  right side 
#4 return #1 browsing #3 
#5 return the  number of  #4 
#6 return if  #5 is equal to  one
Output (English): If one person is browsing at the bookshelf on the right side.