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