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