We have two blocks. We call them A and B. Block A has a medium yellow circle. Above block A there is block B. It contains one medium blue square, a big yellow square and a medium blue triangle. It also has a medium yellow square. To the left of the big yellow square is the medium blue square. The big yellow square is above the medium yellow square and the medium blue triangle. The medium blue triangle is touching the right edge of this block.
Which object is above a medium yellow shape? the big yellow square or the medium blue square?
the big yellow square  the medium blue square  both of them none of them