We have three blocks, A, B and C. Block C is above blocks B and A. Block A has one small black circle. It also contains one small yellow square. The small yellow square is near to and above the small black circle. Block B has a big blue square. And block C has one medium blue triangle, a small blue square and one big blue triangle. There is also a medium yellow triangle touching the bottom edge of this block. It also contains one medium black triangle. The medium black triangle is near to the medium yellow triangle. The medium blue triangle is below, to the right of and near to the big blue triangle. To the right of the big blue triangle is the small blue square.
Which object is above a small black thing? the small yellow square or the small blue square?
the small yellow square  the small blue square  both of them none of them