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