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