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