There are two blocks, A and B. Block A is to the right of B. Block A has one small yellow square and one small black triangle. The small yellow square is near to the small black triangle. Block B contains a medium blue triangle and a medium black square. A medium blue square is above the medium blue triangle and the medium black square. It is to the left of and near to a big yellow circle.
What is above the medium blue triangle? a small black triangle or a small yellow square?
small black triangle  small yellow square  both of them none of them