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