There are three blocks, A, B and C. Block C is below A. Block B is below C. Block A has a medium yellow square. Block B contains a medium blue square. To the right of the medium blue square there is a small black square. And block C has a small blue square, one small blue triangle and one small yellow square. The small blue triangle is to the left of a big yellow square and the small yellow square. Above and near to the small blue triangle there is the small blue square.
What is below the triangle? a small blue square or a medium blue square?
small blue square  medium blue square  both of them none of them