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