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