There are three blocks. Lets call them A, B and C. Block A is above and B is to the right of C. Block A contains a medium blue square. Block B has one medium black square. And block C contains a medium yellow square and one medium blue square. A medium black square is touching the bottom edge of this block. The medium yellow square is below the medium blue square. The medium black square is below the medium yellow square and the medium blue square.
Which object is to the left of a medium black square? the medium blue square that is in block C or the medium blue square that is in block A?
the medium blue square  that is in block C the medium blue square  that is in block A both of them none of them