There are three blocks, A, B and C. There are two small blue circles in block A. Small blue circle number one is touching the right edge of this block. A big yellow circle is touching the right edge of this block. To the right of and below small blue circle number two is small blue circle number one. Above small blue circle number one is the big yellow circle. Block B is below block A. It has one big black square and a big blue square. There is also one medium black triangle in this block. The medium black triangle is above the big blue square. Above the big blue square is the big black square. The big blue square is touching the right edge of this block. To the left of the big shape which is above the big blue square is the medium black triangle. The big black square is touching the right edge of this block. To the left of block A there is block C. It contains one small blue triangle.
What is above the big blue square? a medium black triangle or a small blue circle?
medium black triangle  small blue circle  both of them none of them