There are two blocks, A and B. Block A is below B. Block A contains a medium blue circle. Block B has two medium yellow triangles. Medium yellow triangle number one is above and near to a big yellow circle. This block also contains a big black triangle. The big yellow circle is touching the left edge of this block. It is to the left of the big black triangle. Medium yellow triangle number one is to the left of, above and near to the big black triangle.
Which object is above a object that is touching the left edge of a block? the big black triangle or the blue object?
the big black triangle  the blue object both of them none of them