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