There are three blocks. We call them A, B and C. There is one medium blue square in block A. To the left of block A there is block B. It contains one medium blue square and a medium black square. The medium blue square is below the medium black square. To the left of block A there is block C which contains one medium blue square. The medium blue square is below a medium yellow square.
Which object is to the left of a medium blue square? the yellow shape or the black object?
the yellow shape the black object both of them none of them