There are two blocks, A and B. Block A contains a small blue square, a big yellow triangle and one medium blue square. The small blue square is to the right of the big yellow triangle. The medium blue square is touching the bottom edge of this block. Above, to the left of and near to the medium blue square there is the small blue square. Block B is below block A. It contains one medium blue square, a small blue triangle and one small yellow square. Above the small yellow square there is the medium blue square. The small blue triangle is above and to the left of the small yellow square. The small yellow square is touching the bottom edge of this block.
Which object is above a medium blue square? the small yellow square or the small blue triangle?
the small yellow square  the small blue triangle  both of them none of them