There are two blocks. We call them A and B. Block A is above B. Block A contains two medium blue squares. Medium blue square number one is below medium blue square number two and a medium yellow square. The medium yellow square is below medium blue square number two. Block B has two medium blue squares. Below medium blue square number two and a medium black square there is medium blue square number one. Below medium blue square number two there is the medium black square.
Which object is above a medium blue square? the medium black square or the yellow thing?
the medium black square  the yellow thing both of them none of them