There are three blocks, A, B and C. Block B is above A. Block C is above B. Block A has one big blue square. Block B contains two small blue triangles. To the left of a big yellow square which is above small blue triangle number two is small blue triangle number one. It is below small blue triangle number two. Block C contains a medium yellow triangle.
Which object is above a small blue triangle? the big blue square or the big yellow square?
the big blue square  the big yellow square  both of them none of them