There are three blocks. We call them A, B and C. There is one medium blue square in block A. Block B is to the left of block A. It has a medium yellow square and a medium black square. Below the medium black square there is the medium yellow square. A medium blue square is below the medium black square and the medium yellow square. Above block A there is block C with a medium blue square in it.
What is to the right of the black shape? a yellow shape or a medium blue square?
yellow shape medium blue square  both of them none of them