There are two blocks, A and B. Block A is to the left of B. Block A has two medium blue squares. Medium blue square number one is touching the bottom edge of this block. Medium blue square number two is below a medium yellow square. Medium blue square number one is below the medium yellow square and medium blue square number two. Block B contains a medium blue square, one medium yellow square and one medium black square. The medium blue square is touching the bottom edge of this block. This object is below the medium yellow square and the medium black square. The medium yellow square is below the medium black square.
Which object is above a medium blue square? the medium yellow square that is in block A or the medium yellow square that is in block B?
the medium yellow square  that is in block A the medium yellow square  that is in block B both of them none of them