We have three blocks. We call them A, B and C. Block B is below block A and it is to the right of block C. Block A has one medium blue square. Block B contains a medium black square. And block C has two medium blue squares. Medium blue square number one is touching the bottom edge of this block. It is below a medium yellow square and medium blue square number two. Below medium blue square number two there is the medium yellow square.
What is above the black thing? a yellow thing or a medium blue square?
yellow thing medium blue square  both of them none of them