We have two blocks, A and B. Block A contains a big yellow square, a big yellow circle and a big blue square. The big yellow square is below a small yellow square and the big blue square. The big yellow circle is touching the right edge of this block. Near to, below and to the right of a small black triangle there is the big blue square. A small blue square is also in this block. Above block A there is block B which contains a medium black square.
Which object is below a medium thing? the small black triangle or the big yellow square?
the small black triangle  the big yellow square  both of them none of them