There are two blocks. We call them A and B. Block A is to the left of B. Block A contains one big blue circle. It also contains a big yellow triangle. This block also has one medium black circle. To the right of the big blue circle is the big yellow triangle. It is below and to the left of the medium black circle. Block B contains one medium black square. One small blue triangle is also in this block. The small blue triangle is near to, above and to the right of the medium black square.
What is to the left of the medium black circle? a big blue circle or a medium black square?
big blue circle  medium black square  both of them none of them