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