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