There are three blocks, A, B and C. Block A is to the left of block B and below block C. Block A contains one small black square and a small yellow circle. The small yellow circle is touching the right edge of this block. This block also has a big yellow circle. To the left of the small yellow circle which is to the right of the big yellow circle is the small black square. This shape is to the right of the big yellow circle. Block B has a big black triangle. Block C has one big yellow triangle and one small yellow square. Above, touching and to the right of the small yellow square is the big yellow triangle.
What is to the left of the big black triangle? a big yellow triangle or a small yellow square?
big yellow triangle  small yellow square  both of them none of them