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