We have three blocks. We call them A, B and C. Block A contains a medium yellow square. Block B is to the right of block A. It contains a medium blue square. Finally, we have block C below block B. It contains a medium black square, one medium yellow square and a medium blue square. Below the medium blue square there is the medium yellow square. The medium black square is touching the bottom edge of this block. It is below the medium blue square and the medium yellow square.
Which object is to the left of a medium blue square? the medium yellow square which is in block C or the medium yellow square which is in block A?
the medium yellow square  which is in block C the medium yellow square  which is in block A both of them none of them