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