There are three blocks, A, B and C. Block A is above blocks C and B. Block A contains one medium blue square and a medium blue circle. The medium blue square is to the right of, above and far from the medium blue circle. Block B contains a medium black square. To the right of and above a small yellow square there is the medium black square. And block C contains a big blue circle and a small black triangle. There is also one big yellow square in this block. The small black triangle is touching the right edge of this block. To the left of the big yellow square and the small black triangle is the big blue circle.
Which object is below a medium blue square? the medium black square or the small yellow square?
the medium black square  the small yellow square  both of them none of them