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