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