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