Task: Question Generation
Input (English): #1 return musicians 
#2 return saxophones 
#3 return #1 that hold #2 
#4 return images 
#5 return number of  #3 for each  #4 
#6 return #4 where  #5 is at least four 
#7 return number of  #6 
#8 return if  #7 is equal to  one
Output (English): If at least four musicians hold saxophones in one image.