There are three blocks. Lets call them A, B and C. Block A has a medium blue square and a medium yellow square. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square. Block B is to the left of block A. It contains a medium yellow square. This block also has one medium blue square. Below the medium yellow square there is the medium blue square. Finally, there is block C which is to the left of block A. It has one medium black square.
Which object is to the left of a medium blue square? the medium yellow square that is in block B or the medium yellow square that is in block A?
the medium yellow square  that is in block B the medium yellow square  that is in block A both of them none of them