There are three blocks, A, B and C. Block B is to the left of blocks C and A. Block A contains one big yellow triangle. Block B contains a medium black square and one big black square. The medium black square is below the big black square. And block C has a small blue triangle and one big yellow square. Above and to the left of the big yellow square is the small blue triangle.
Which object is to the right of a black square? the small blue shape or the big black square?
the small blue shape the big black square  both of them none of them