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 below a medium black square? the medium yellow square that is touching the bottom edge of a block or medium yellow square number three?
the medium yellow square  that is touching the bottom edge of a block  medium yellow square  number three both of them none of them