We have three blocks, A, B and C. Block A is below and B is above C. Block A has a small yellow circle and a medium yellow circle. It also has one medium blue square. Below the small yellow circle and the medium yellow circle is the medium blue square. Block B contains a small black square and a big black square. Near to the big black square there is the small black square. Block C has one big yellow triangle.
What is above the triangle? a blue object or a big black square?
blue object big black square  both of them none of them