There are two blocks. We call them A and B. Block A is above B. Block A has one big black triangle. Block B contains one small yellow square and one medium black square. To the right of and below the medium black square is the small yellow square. This block also has a big yellow circle. This object is touching the bottom edge of this block. It also has a big yellow triangle. It is to the right of and below the medium black square. It is above the big yellow circle.
Which object is below a big black triangle? the small yellow square or the medium black square?
the small yellow square  the medium black square  both of them none of them