We have three blocks, A, B and C. Block A contains one medium blue triangle. A big blue triangle is above and to the left of the medium blue triangle. Above the medium blue triangle there is a big yellow circle. The medium blue triangle is touching the bottom edge of this block. Then, there is block B with a small black square in it. Block C is below block A and to the right of block B. It contains a medium black triangle and a big yellow circle. The medium black triangle is to the right of the big yellow circle.
Which object is above a big yellow circle? the medium black triangle or the medium blue triangle which is touching the bottom edge of a block?
the medium black triangle  the medium blue triangle  which is touching the bottom edge of a block  both of them none of them