There are two blocks, A and B. Block A has a medium black triangle, a small yellow triangle and one medium blue triangle. The small yellow triangle is above, far from and to the right of a big blue square. Far from and below a big blue triangle is the medium blue triangle. Above the big blue square is the big blue triangle. The big blue square is touching the left edge of this block. Block B is above block A. It has a small yellow square and one big black circle. This block also contains a big yellow square. Below the big black circle is the big yellow square. Above and near to the big black circle is the small yellow square.
What is above the big blue square? a big blue triangle or a small yellow triangle?
big blue triangle  small yellow triangle  both of them none of them