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