There are three blocks, A, B and C. Block A contains two small black triangles. Small black triangle number one is above a big blue square and a medium black triangle. To the right of small black triangle number two there is the medium black triangle. To the right of small black triangle number two there is the big blue square. Below block A there is block B with a medium blue circle in it. To the right of block B there is block C. It has one medium blue square.
Which object is above a circle? the medium black triangle or the medium blue square?
the medium black triangle  the medium blue square  both of them none of them