There are three blocks, A, B and C. Block A is above C and block C is above B. Block A has two medium blue squares. Below medium blue square number two and a medium yellow square there is medium blue square number one. Below the medium yellow square is medium blue square number two. Block B contains one medium yellow square. Block C contains two medium black squares. This block also has one medium yellow square. Below medium black square number two and the medium yellow square is medium black square number one. Medium black square number one is touching the bottom edge of this block. Below the medium yellow square is medium black square number two.
Which object is below a medium black square? the medium yellow square that is in block B or the medium yellow square that is in block A?
the medium yellow square  that is in block B the medium yellow square  that is in block A both of them none of them