There are three blocks. We call them A, B and C. A medium yellow triangle is in block A. Block B is above block A. It contains a medium black square, one small yellow triangle and one medium black circle. Near to the medium black circle there is the medium black square. It is below and near to the small yellow triangle. To the left of block B there is block C with a small yellow circle in it.
Which object is above a medium yellow triangle? the medium black circle or the small yellow circle?
the medium black circle  the small yellow circle  both of them none of them