There are three blocks, A, B and C. Block A is below and C is to the left of B. Block A has a medium black square and one medium blue square. The medium black square is touching the bottom edge of this block. It is below the medium blue square. Block B has one medium yellow square. A medium blue square is below the medium yellow square. Block C contains a medium yellow square.
Which object is to the left of a medium blue 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