There are two blocks, A and B. Two medium blue squares are in block A. Below medium blue square number two there is medium blue square number one. Block B is to the right of block A. It has one medium blue square. This block also has a medium black square. Below the medium black square and a medium yellow square there is the medium blue square. Below the medium black square there is the medium yellow square.
What is to the left of the black thing? a medium blue square or a medium yellow square?
medium blue square  medium yellow square  both of them none of them