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