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