We have two blocks. We call them A and B. Block A contains one medium blue square. It also contains a medium yellow square. The medium blue square is touching the bottom edge of this block. This shape is below the medium yellow square. Below block A there is block B with three medium blue squares in it. Below medium blue square number two and medium blue square number three is medium blue square number one. Medium blue square number two is below medium blue square number three.
What is below the object that is touching the bottom edge of a block? a medium blue square or a yellow thing?
medium blue square  yellow thing both of them none of them