There are three blocks. Lets call them A, B and C. Block A contains a medium blue square. Then, there is block B which has a medium yellow square. One medium blue square is also in this block. The medium blue square is below the medium yellow square. Finally, we have block C which is to the right of block B and to the left of block A. It contains a medium black square. A medium blue square is below the medium black square.
What is below the yellow thing? a black object or a medium blue square?
black object medium blue square  both of them none of them