We have two blocks, A and B. There are one small yellow triangle, one medium blue square and one small black square in block A. The medium blue square is touching the bottom edge of this block. It is to the right of and below the small black square. The small yellow triangle is above the medium blue square. Block B is above block A. It contains a medium blue square and a small black square. One small blue triangle is also in this block. The medium blue square is to the left of the small black square and the small blue triangle.
What is above the yellow thing? a small black square that is in block A or a small black square that is in block B?
small black square  that is in block A small black square  that is in block B both of them none of them