There are two blocks, A and B. Block A is to the left of B. Block A has a medium black circle. Block B has a medium blue square, one big yellow circle and a medium black square. It also contains a medium yellow circle. The medium blue square is near to the medium black square and the big yellow circle. This object is above and to the left of the medium yellow circle.
What is to the right of the medium black circle? a medium black square or a medium blue square?
medium black square  medium blue square  both of them none of them