There are three blocks. Lets call them A, B and C. Block A is above B and block B is to the right of C. Block A has one medium black triangle. Block B contains a big blue square and a medium yellow triangle. To the left of, near to, above and touching the medium yellow triangle there is the big blue square. And block C contains a medium blue square, a small yellow square and a big blue circle. A small blue square is also in this block. The small blue square is above a big yellow square.. The medium blue square is touching the right edge of this block. Above and to the right of the big yellow square is the small yellow square. The big yellow square is touching the bottom edge of this block. To the right of, above and near to the small yellow square there is the medium blue square. The big blue circle is touching the top edge of this block.
What is to the left of the medium yellow triangle? a medium black triangle or a small yellow square?
medium black triangle  small yellow square  both of them none of them