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