We have two blocks, A and B. Block A is below B. Block A has one small yellow square, a small blue square and a medium blue square. It also has a small black square. The small black square is to the right of the small yellow square and the medium blue square. Below the medium blue square there is the small yellow square. Below the small blue square there is the small black square. Block B contains a medium yellow square.
What is below the medium yellow square? a black thing or a small yellow square?
black thing small yellow square  both of them none of them