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