We have three blocks. We call them A, B and C. Block A is to the left of B. Block B is above C. Block A contains two medium black circles. To the left of a small black circle there is medium black circle number one. Below the small black circle there is medium black circle number two. Medium black circle number one is to the right of medium black circle number two. Block B contains two big blue circles. Big blue circle number one is far from, to the right of, near to and below a big blue square. Big blue circle number two is touching the right edge of this block. A medium blue triangle is also in this block. This block also contains a small black triangle. To the left of and below big blue circle number two is the small black triangle. Big blue circle number one is touching the bottom edge of this block. And block C has one big black circle and a big yellow circle. The big black circle is touching the bottom edge of this block. It is to the right of and below the big yellow circle.
Which object is above a big black circle? the medium blue triangle or the big blue square?
the medium blue triangle  the big blue square  both of them none of them