There are three blocks, A, B and C. Block A contains two big black circles. There is also one small yellow square touching the top edge of this block. Big black circle number one is touching the bottom edge of this block. Big black circle number two is below the small yellow square. This block also has one medium yellow triangle. It is below and to the right of the small yellow square. To the right of and below the small yellow square is big black circle number one. Big black circle number two is touching the bottom edge of this block. Block B is above block A. It has one big yellow square. To the left of block A there is block C. It contains a big black circle.
What is below the big yellow square? a medium object or a big black circle?
medium object big black circle  both of them none of them