We have three blocks. Lets call them A, B and C. There is one medium black square in block A. Then, we have block B which contains a medium black square and one medium blue square. The medium black square is below the medium blue square. Block C is to the left of block A and to the right of block B. It has two medium black squares. Below a medium yellow square and medium black square number two there is medium black square number one. Medium black square number two is below the medium yellow square.
Which object is to the left of a medium black square? the medium blue square or the yellow shape?
the medium blue square  the yellow shape both of them none of them