Task: Question Decomposition
Input (English): question: Find the salaries of all distinct instructors that are less than the largest salary.
Output (English): #1 return instructors 
#2 return distinct #1 
#3 return salaries of  #2 
#4 return #2 where  #3 is  highest 
#5 return #2 besides #4 
#6 return salaries of  #5