There are three blocks, A, B and C. Block A has one medium yellow circle, one small yellow triangle and a medium yellow triangle. It also has a small blue triangle. There is also one medium blue triangle in this block. The small yellow triangle is above and to the right of the small blue triangle. The medium blue triangle is to the left of the small yellow triangle. The medium yellow triangle is touching the bottom edge of this block. The medium blue triangle is above the medium yellow triangle. To the left of the small yellow triangle there is the medium yellow circle. Then, we have block B with one big black square, one medium black square and a big yellow circle in it. The big black square is touching the bottom edge of this block. The big yellow circle is touching the right edge of this block. The big black square is to the left of, below and far from the big yellow circle. Finally, we have block C which is above block A and to the left of block B. It has one medium yellow circle, one medium blue circle and one big blue square. To the right of the big blue square is the medium blue circle.. To the right of the big blue square there is the medium yellow circle. It is below the blue shape which is to the right of the big blue square.
What is above the medium yellow triangle? a medium yellow circle or a big blue square?
medium yellow circle  big blue square  both of them none of them