There are two blocks. We call them A and B. Block A has a medium yellow square and a medium blue triangle. It also has one big yellow circle and one small blue square. The big yellow circle is below the medium yellow square which is above the medium blue triangle. Below and to the left of the small blue square there is the medium yellow square. The medium blue triangle is below the small blue square. Block B is above block A. It has a big yellow square.
What is above the medium blue shape? a medium yellow square or a big yellow square?
medium yellow square  big yellow square  both of them none of them