We have three blocks, A, B and C. One medium black square is in block A. One medium yellow circle is also touching the right edge of this block. There is also one medium yellow triangle in this block. The medium yellow circle is above and near to the medium yellow triangle. The medium black square is to the left of the medium yellow triangle. Block B is to the left of block A. It contains a medium blue triangle, a small yellow circle and a medium blue circle. Above and near to the medium blue circle there is the small yellow circle. To the right of the circle which is above the medium blue circle is the medium blue triangle. Below block A there is block C which has a small yellow triangle and a big black circle. A medium blue circle is to the right of a medium yellow square. The medium yellow square is below and near to the big black circle.. The medium blue circle is to the left of, near to and below the small yellow triangle.
Which object is above a medium blue circle? the medium black square or the small yellow circle?
the medium black square  the small yellow circle  both of them none of them