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