There are three blocks. We call them A, B and C. Block A contains a medium yellow square. Then, we have block B. It contains one big blue square and one small yellow circle. It also contains one big blue triangle. It is to the right of the small yellow circle. The big blue square is below and near to the triangle which is to the right of the small yellow circle. Finally, above block A we have block C which is above block B. It has a medium blue square.
What is below the medium blue square? a big blue square or a triangle?
big blue square  triangle  both of them none of them