There are three blocks. We call them A, B and C. Block A is above C and block C is to the right of B. Block A contains one small yellow square and a big black circle. To the right of the big black circle there is the small yellow square. Above and to the right of the big black circle is a medium blue triangle. Below the medium blue triangle there is the small yellow square. Block B has one big yellow square. And block C contains one small blue square, one small yellow square and a big blue square. To the left of the small yellow square is the small blue square. Below and to the right of the big blue square there is the small yellow square.
Which object is above a small yellow square? the big black circle or the small blue square?
the big black circle  the small blue square  both of them none of them