There are three blocks, A, B and C. Block B is above block C and to the left of block A. Block A contains a small blue circle. To the left of a medium blue circle which is below and to the right of a medium yellow triangle there is a medium black square. The medium blue circle is touching the bottom edge of this block. Below the medium yellow triangle is the small blue circle. The medium black square is touching the bottom edge of this block. This object is to the left of and near to the small shape which is below the medium yellow triangle. Block B has two big yellow squares. To the left of big yellow square number two there is big yellow square number one. And block C has two small yellow squares. Small yellow square number one is near to a small yellow triangle. Small yellow square number two is touching the left edge of this block. Near to and above a big blue triangle is a medium black triangle.. It is near to small yellow square number one and small yellow square number two.
What is above the big blue triangle? a big yellow square or a medium black triangle?
big yellow square  medium black triangle  both of them none of them