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