We have two blocks, A and B. Block A contains a big blue square and one big yellow circle. Below the big yellow circle there is the big blue square. Block B is below block A. It contains one medium blue square, one small blue circle and a big black triangle. The medium blue square is to the right of the big black triangle which is below a medium yellow circle. To the right of and near to the medium yellow circle is the small blue circle. The medium blue square is to the right of the blue shape which is to the right of the medium yellow circle.
Which object is above a medium blue square? the big blue square or the small object?
the big blue square  the small object both of them none of them