There are three blocks. Lets call them A, B and C. Block C is to the right of A and block B is to the right of C. Block A contains one medium blue square and one medium yellow square. Below the medium yellow square there is the medium blue square. Block B contains one medium yellow square and a medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square. Block C contains two medium blue squares. Below a medium black square and medium blue square number two is medium blue square number one. The medium black square is below medium blue square number two.
What is to the left of the thing that is touching the bottom edge of a block? a medium black square or a medium yellow square?
medium black square  medium yellow square  both of them none of them