We have three blocks. Lets call them A, B and C. Block B is above block C and to the right of block A. Block A contains one medium blue square. This block also contains a medium yellow square. Below the medium blue square there is the medium yellow square. Block B contains one medium blue square. A medium black square is touching the bottom edge of this block. It is below the medium blue square. Block C contains one medium yellow square.
What is to the left of the black object? a medium blue square which is in block B or a medium blue square that is in block A?
medium blue square  which is in block B medium blue square  that is in block A both of them none of them