Task: Question Decomposition
Input (English): question: Find the first names and degree of all professors who are teaching some class in Computer Info. Systems department.
Output (English): #1 return the  Computer Info Systems department 
#2 return classes of #1 
#3 return professors of #2 
#4 return first names of #3 
#5 return degrees of #3 
#6 return #4 ,  #5