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