There are three blocks. Lets call them A, B and C. There are one medium yellow square and one medium blue square in block A. The medium yellow square is below the medium blue square. Above block A we have block B with one medium yellow square in it. To the left of block B there is block C which has a medium black square. A medium yellow square is below the medium black square.
Which object is to the left of a medium yellow square? the medium blue square or the black object?
the medium blue square  the black object both of them none of them