There are two blocks, A and B. Block A is below B. Block A contains a small yellow square, one big yellow square and a big black circle. The small yellow square is near to and above the big yellow square which is below a medium yellow triangle. Below and near to the medium yellow triangle there is the big black circle. Block B has a medium black circle and a big black circle. There is also a small yellow square in this block. The small yellow square is below and to the right of the big black circle. This object is near to the medium black circle which is to the right of the big black circle.
Which object is below a big black circle? the medium black circle or the triangle?
the medium black circle  the triangle  both of them none of them