There are two blocks, A and B. One medium blue square is in block A. A big blue circle is below and near to the medium blue square. Block B is above block A. It contains one big black square and one medium yellow square. This block also contains one big yellow square. The big black square is above the big yellow square and the medium yellow square.
What is below the shape that is touching the bottom edge of a block? a medium blue square or a big blue circle?
medium blue square  big blue circle  both of them none of them