There are three blocks. We call them A, B and C. A medium yellow square and one big yellow triangle are in block A. The medium yellow square is below and to the left of the big yellow triangle. Block B is to the left of block A. It contains a small yellow triangle. Below block A there is block C with one big black circle and a medium blue square in it. Above the medium blue square there is the big black circle. The medium blue square is touching the right edge of this block. One big black triangle is also in this block. To the left of the medium blue square there is the big black triangle. It is below the circle which is above the medium blue square.
What is below the big yellow triangle? a medium blue square which is touching the right edge of a block or a medium yellow square?
medium blue square  which is touching the right edge of  a block  medium yellow square  both of them none of them