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