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