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