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