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