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