Solved by KFrank in post #2 
              
              
                Hi Ahn! 

You won’t be able to combine the two models together in some naive 
way.  The problem is that while model A has learned to distinguish a 
“Worm” from a “Brittlestar” and model B has learned to distinguish a 
“Prawn” from a “Seaspider,” neither model has learned to distinguish 
a “Worm” fro…