We have three blocks. We call them A, B and C. Block B is above A. Block C is above B. Block A contains a medium yellow square. This block also has a big yellow square. Above and to the left of the big yellow square there is the medium yellow square. Block B has one medium yellow circle and one big blue triangle. The medium yellow circle is to the right of the big blue triangle. And block C has one big blue square. This block also has one small black square. Below and to the left of the small black square there is the big blue square.
Which object is below a big blue square? the medium yellow circle or the big blue triangle?
the medium yellow circle  the big blue triangle  both of them none of them