There are three blocks. We call them A, B and C. Block A has two big yellow circles. Big yellow circle number one is far from big yellow circle number two. Big yellow circle number two is to the left of a small black square. This block also contains a big blue circle. The big blue circle is above and to the right of big yellow circle number two. It is to the left of the big object which is far from big yellow circle number two. Above block A there is block B. It contains a big black triangle. Above block B there is block C. It has one big yellow square, one medium blue triangle and a small yellow triangle. Above and near to the small yellow triangle there is the big yellow square. The medium blue triangle is to the left of and above the small yellow triangle.
Which object is below a big yellow square? the big black triangle or the small black square?
the big black triangle  the small black square  both of them none of them