There are three blocks, A, B and C. Block A contains one medium black triangle. Then, there is block B with a small blue triangle and one medium blue square in it. Above and to the left of the medium blue square is the small blue triangle. The medium blue square is touching the bottom edge of this block. Finally, to the right of block B we have block C which is to the left of block A. It has two medium black circles. Medium black circle number one is to the left of medium black circle number two. It is below and to the left of a big blue circle.
What is to the right of the blue triangle? a medium black circle or a big blue circle?
medium black circle  big blue circle  both of them none of them