We have three blocks, A, B and C. Block A is above block C and below block B. Block A contains a big black triangle. Block B contains one small blue square and a big black square. The small blue square is near to the big black square. Block C has a medium blue square. It also has one small blue triangle. Near to, above and to the left of the medium blue square is the small blue triangle.
What is below the big black square? a small blue square or a medium thing?
small blue square  medium thing both of them none of them