There are three blocks, A, B and C. Block A has two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below a medium blue square. Below medium yellow square number two is medium yellow square number one. It is below the medium blue square. Then, there is block B which contains one medium yellow square. Finally, we have block C to the left of block B and block A is above it. It contains one medium blue square and one medium black square. Below the medium black square is the medium blue square.
Which object is below a medium blue square? the medium black square or the yellow thing that is touching the bottom edge of a block?
the medium black square  the yellow thing that is touching the bottom edge of a block  both of them none of them