There are two blocks, A and B. Block A contains a small blue triangle and a big yellow square. To the right of and near to the big yellow square there is the small blue triangle. Below block A we have block B which contains one small blue square, a big yellow circle and a small yellow square. Below the small yellow square , the big yellow circle and a medium blue square is the small blue square. To the right of the small yellow square there is the big yellow circle. The medium blue square is touching the right edge of this block.
Which object is below a big yellow square? the blue triangle or the small yellow square?
the blue triangle  the small yellow square  both of them none of them