There are three blocks, A, B and C. Block C is above block A and to the left of block B. Block A has one big black triangle and a big black square. The big black triangle is to the left of and below the big black square. Block B has a medium blue triangle. This block also has one big black circle. There is also a medium blue square in this block. The big black circle is to the right of the medium blue triangle. The medium blue triangle is near to and to the left of the medium blue square. Block C has one medium yellow circle.
What is to the right of the yellow thing? a big black triangle or a medium blue square?
big black triangle  medium blue square  both of them none of them