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