There are three blocks, A, B and C. Block A contains a small blue circle and a small black square. The small blue circle is touching the right edge of this block. It is above the small black square. Then, we have block B which contains a medium yellow triangle. Below and to the right of the medium yellow triangle there is a big blue circle. Finally, we have block C above block B and below block A. It contains a big blue square and a small yellow circle. The big blue square is to the left of the small yellow circle.
Which object is below a object that is touching the right edge of a block? the big blue square or the medium yellow triangle?
the big blue square  the medium yellow triangle  both of them none of them