There are three blocks. Lets call them A, B and C. Block A contains a big blue triangle and one big yellow triangle. There is also a medium black triangle touching the bottom edge of this block. The medium black triangle is to the left of the big yellow triangle. Above and to the left of the big yellow triangle there is the big blue triangle. Block B is below block A. It contains one small yellow triangle. Finally, there is block C to the right of block B. It has a big black circle and one big yellow square. The big black circle is to the right of the big yellow square.
Which object is above a yellow triangle? the blue triangle or the big yellow square?
the blue triangle  the big yellow square  both of them none of them