There are three blocks, A, B and C. One small black circle, one small yellow square and one big yellow triangle are in block A. To the left of and below a small yellow circle which is near to and below the small yellow square there is the small black circle. Above the big yellow triangle is the small yellow circle. Block B is to the right of block A. It has a big yellow circle. To the right of block A there is block C which contains one big black circle and a big black triangle. The big black circle is to the right of the big black triangle.
Which object is to the right of a small black circle? the big black triangle or the yellow square?
the big black triangle  the yellow square  both of them none of them