There are two blocks. We call them A and B. Block A is above B. Block A has one medium black square and one small yellow circle. It also contains a big blue square. The big blue square is to the right of the medium black square and the small yellow circle. Below the small yellow circle there is the medium black square. Block B contains one big yellow circle and a medium blue circle. The big yellow circle is to the right of the medium blue circle.
Which object is above a medium blue circle? the medium black square or the big yellow circle?
the medium black square  the big yellow circle  both of them none of them