We have three blocks. We call them A, B and C. There is a medium black square in block A. Then, there is block B with a medium blue square in it. To the left of blocks A and B there is block C with three medium yellow squares in it. Medium yellow square number one is below medium yellow square number three and medium yellow square number two. Medium yellow square number two is below medium yellow square number three.
What is to the left of the blue shape? a medium yellow square or a medium black square?
medium yellow square  medium black square  both of them none of them