There are three blocks. Lets call them A, B and C. Block A has two big black circles. Near to, to the left of and below big black circle number two is big black circle number one. This block also has a medium yellow triangle. Big black circle number two is touching the right edge of this block. Block B is to the left of block A. It contains a small yellow square. A big yellow square is also in this block. Near to a small yellow triangle there is the small yellow square. Near to the small yellow triangle there is the big yellow square. The small yellow square is below and to the left of the big yellow square. Below block A there is block C with one big black square in it. A big black circle is below the big black square.
Which object is above a big black circle? the big yellow square or the big black square?
the big yellow square  the big black square  both of them none of them