There are three blocks, A, B and C. Block B is to the right of A. Block C is above B. Block A contains two medium blue squares. Below a medium yellow square and medium blue square number two is medium blue square number one. Medium blue square number two is below the medium yellow square. Block B has a medium yellow square. It also contains one medium blue square. The medium blue square is below the medium yellow square. Block C contains a medium black square.
What is to the left of the object which is touching the bottom edge of a block? a black object or a medium yellow square?
black object medium yellow square  both of them none of them