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