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