There are two blocks, A and B. Block A is below B. Block A contains one small blue square and a medium yellow triangle. Near to a medium blue square is the small blue square. Below the medium blue square there is the medium yellow triangle. The medium blue square is touching the right edge of this block. To the right of the medium shape which is below the medium blue square is the small blue square. Block B has a big black triangle and a medium blue triangle. The big black triangle is below the medium blue triangle.
Which object is above a yellow object? the small blue square or the medium blue triangle?
the small blue square  the medium blue triangle  both of them none of them