We have three blocks, A, B and C. Block A contains a medium blue square. Block B is above block A. It contains one medium yellow square and one medium black square. Below the medium black square is the medium yellow square. To the left of block B there is block C which contains a medium blue square and one medium yellow square. Below the medium yellow square is the medium blue square.
Which object is to the left of a black object? the medium yellow square which is in block C or the medium yellow square that is in block B?
the medium yellow square  which is in block C the medium yellow square  that is in block B both of them none of them