We have three blocks, A, B and C. Block B is below block A and above block C. Block A contains a medium blue circle. Block B has a big yellow triangle and a medium black square. The big yellow triangle is above the medium black square. The medium black square is touching the bottom edge of this block. Block C contains one medium black square, a small blue triangle and a small black square. One big black square is also touching the bottom edge of this block. To the right of the small black square and the medium black square there is the big black square. The medium black square is to the left of the small blue triangle which is to the right of the small black square. This shape is to the right of the small black square.
What is to the left of the big black square? a small black square or a big yellow shape?
small black square  big yellow shape both of them none of them