There are three blocks. Lets call them A, B and C. Block C is to the right of B and block B is to the right of A. Block A contains a medium blue square. Block B has a medium blue square. This block also contains one medium black square. Below the medium blue square there is the medium black square. Block C contains two medium black squares. Below medium black square number two there is medium black square number one.
Which object is to the left of a medium black square? the medium blue square that is in block B or the medium blue square that is in block A?
the medium blue square  that is in block B the medium blue square  that is in block A both of them none of them