There are two blocks, A and B. Block A contains one big blue square. The big blue square is to the left of and near to a medium black circle. A big blue circle is above the medium black circle. Below the circle which is above the medium black circle is the big blue square. The medium black circle is touching the right edge of this block. Below block A is block B which has one big yellow square. This block also contains a big yellow circle. The big yellow circle is below the big yellow square.
Which object is above a big yellow circle? the big blue square or the big yellow square?
the big blue square  the big yellow square  both of them none of them