We have three blocks. We call them A, B and C. A medium yellow circle and a medium black square are in block A. Above the medium black square there is the medium yellow circle. Block B is to the left of block A. It has a big black square. To the left of block B there is block C with one medium yellow triangle and one big black circle in it. A big yellow square is below, near to and to the right of the big black circle. The medium yellow triangle is below the big black circle.
What is to the left of the medium yellow circle? a big black circle or a big yellow square?
big black circle  big yellow square  both of them none of them