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