There are three blocks, A, B and C. Block B is below block C and above block A. Block A contains one medium black triangle and a big blue triangle. This block also contains one big blue circle. The medium black triangle is above and to the right of a medium yellow circle which is far from, below and to the left of the big blue circle. The big blue triangle is touching the bottom edge of this block. This object is to the left of the big blue circle. Block B has a medium yellow square. And block C has a small blue square, one medium blue square and a medium blue circle. It also has one big black circle. The big black circle is above the small blue square. Below a small black circle and the medium blue circle there is the small blue square. The medium blue square is touching the right edge of this block. It is above the medium blue circle.
Which object is above a big blue circle? the medium blue circle or the medium yellow circle?
the medium blue circle  the medium yellow circle  both of them none of them