There are two blocks, A and B. Block A is to the right of B. Block A has one big black circle, one medium blue square and a small blue triangle. The small blue triangle is above a medium yellow triangle. The big black circle is touching the bottom edge of this block. The medium blue square is touching the right edge of this block.. The big black circle is below the small blue triangle and the medium blue square. It is to the right of the medium yellow triangle. Block B has one small black triangle and a big yellow circle. The small black triangle is to the left of and below the big yellow circle. There is also one big yellow square touching the bottom edge of this block. It is below the big yellow circle.
What is to the left of the big black circle? a big yellow circle or a small black triangle?
big yellow circle  small black triangle  both of them none of them