We have three blocks. We call them A, B and C. Blocks A and B are to the left of C. Block A contains a medium yellow square. Below a medium black square there is the medium yellow square. Block B has two medium blue squares. Below medium blue square number two is medium blue square number one. Block C has two medium blue squares. Below medium blue square number two is medium blue square number one.
What is to the right of the black thing? a medium yellow square or a medium blue square?
medium yellow square  medium blue square  both of them none of them