There are three blocks. We call them A, B and C. There is a small black triangle in block A. The small black triangle is to the right of and above a big blue square. To the right of block A we have block B which contains one medium blue square and a big blue circle. The medium blue square is above and to the left of the big blue circle. Finally, there is block C. It is to the left of block B. It contains one medium blue square, one big black triangle and a big yellow square. The big black triangle is above the big yellow square. The medium blue square is touching the right edge of this block. This shape is above and to the right of the big yellow square.
What is above the circle? a big black triangle or a medium blue square?
big black triangle  medium blue square  both of them none of them