There are three blocks, A, B and C. Block C is to the right of B and block A is below C. Block A contains one medium black square. Block B contains two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Below medium yellow square number two there is medium yellow square number one. A medium black square is below medium yellow square number two.. Below the medium black square there is medium yellow square number one. Block C has a medium black square.
Which object is to the left of a medium black square? the medium black square that is in block B or the medium black square that is in block A?
the medium black square  that is in block B the medium black square  that is in block A both of them none of them