We have three blocks. Lets call them A, B and C. A big yellow triangle is in block A. Block B is to the left of block A. It has one medium blue triangle, one small black square and a big blue triangle. The medium blue triangle is above the small black square and the big blue triangle. The small black square is below and near to the big blue triangle. This block also has a small yellow square. The medium blue triangle is touching the small yellow square. Below block B there is block C which has one medium blue triangle.
Which object is above a medium blue triangle? the big blue triangle or the small yellow square?
the big blue triangle  the small yellow square  both of them none of them