We have three blocks. We call them A, B and C. Block A contains one medium black square and a medium blue square. The medium black square is below the medium blue square. Block B is to the right of block A. It contains two medium yellow squares. One medium blue square is also in this block. Medium yellow square number one is below the medium blue square and medium yellow square number two. Below the medium blue square is medium yellow square number two. Finally, there is block C to the left of block A. It contains a medium blue square.
Which object is to the left of a medium yellow square? the medium blue square which is in block B or the medium blue square that is in block A?
the medium blue square  which is in block B the medium blue square  that is in block A both of them none of them