There are three blocks, A, B and C. There is a small black triangle in block A. Block B is above block A. It has a small blue triangle and one medium yellow circle. To the right of, above and near to the medium yellow circle is a big blue circle. Finally, there is block C which is to the left of block B. It contains one medium blue square and a medium yellow square. A medium blue triangle is above the medium blue square which is to the right of the medium yellow square. To the left of and above the medium blue square is a small blue circle. It is to the right of the medium yellow square.
Which object is to the left of a medium yellow circle? the medium blue square or the big shape?
the medium blue square  the big shape both of them none of them