There are three blocks. Lets call them A, B and C. Block A has a medium blue square. It also has a medium yellow square. Below the medium blue square there is the medium yellow square. Then, we have block B with one medium yellow square in it. Block C is above block A and to the right of block B. It contains a medium blue square. It also contains a medium yellow square. Below the medium blue square there is the medium yellow square.
Which object is below a medium yellow square? the medium blue square that is in block A or the medium blue square that is in block C?
the medium blue square  that is in block A the medium blue square  that is in block C both of them none of them