We have three blocks. We call them A, B and C. Block A is to the left of blocks C and B. Block A contains one medium yellow square, one medium blue square and one medium black square. The medium yellow square is touching the bottom edge of this block. This shape is below the medium black square and the medium blue square. The medium blue square is below the medium black square. Block B contains one medium yellow square. Block C has one medium blue square. One medium black square is also touching the bottom edge of this block. The medium black square is below the medium blue square.
Which object is to the left of a medium blue square? the medium black square which is in block A or the medium black square that is touching the bottom edge of a block?
the medium black square  which is in block A the medium black square  that is touching the bottom edge of a block  both of them none of them