We have three blocks. Lets call them A, B and C. Block A contains one medium blue square. To the left of block A we have block B. It has two medium black squares. Below a medium yellow square and medium black square number two there is medium black square number one. Medium black square number two is below the medium yellow square. Finally, we have block C. It is below block B. It has a medium yellow square and one medium blue square. Below the medium blue square there is the medium yellow square.
Which object is above a medium yellow square? the medium blue square that is in block C or the medium blue square that is in block A?
the medium blue square  that is in block C the medium blue square  that is in block A both of them none of them