There are three blocks, A, B and C. Block A has one big black circle. The big black circle is above a big blue triangle and a medium yellow square. Above block A we have block B which has a big black circle. To the left of block A there is block C which has one medium blue triangle.
What is to the left of the yellow thing? a big black circle or a big blue triangle?
big black circle  big blue triangle  both of them none of them