There are three blocks, A, B and C. Block A has two medium yellow squares. One medium black square is also in this block. Below the medium black square is medium yellow square number one. It is touching the bottom edge of this block. It is below medium yellow square number two which is below the medium black square. Block B is to the right of block A. It has one medium black square. To the left of block B there is block C with one medium black square in it.
Which object is to the left of a medium black square? the medium black square which is in block A or the medium black square that is in block C?
the medium black square  which is in block A the medium black square  that is in block C both of them none of them