There are three blocks. We call them A, B and C. Block C is below block A and to the right of block B. Block A has a medium blue square. Block B has one big blue circle. This block also has a big blue triangle. The big blue circle is touching the right edge of this block. This object is above the big blue triangle. Block C contains a medium yellow square. Below a medium black circle is the medium yellow square. The medium black circle is touching the top edge of this block.
What is to the left of the black shape? a yellow object or a blue triangle?
yellow object blue triangle  both of them none of them