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