There are three blocks, A, B and C. Block A contains one medium blue square. Block B is above block A. It contains a small yellow circle and a medium yellow square. Above the medium yellow square there is the small yellow circle. Below block B there is block C with a small yellow circle in it. A medium black triangle is also in this block. Touching the small yellow circle is the medium black triangle.
Which object is below a small yellow circle? the medium yellow square or the medium blue square?
the medium yellow square  the medium blue square  both of them none of them