There are three blocks. We call them A, B and C. Block A is to the right of block B and above block C. Block A has one small yellow circle and a small black triangle. To the left of the small black triangle there is the small yellow circle. Block B has one big yellow square. To the left of a medium yellow circle there is the big yellow square. The medium yellow circle is touching the right edge of this block. Block C contains two medium black circles. Medium black circle number one is touching the right edge of this block. It is to the right of medium black circle number two.
Which object is above a medium black circle? the small yellow circle or the medium yellow circle?
the small yellow circle  the medium yellow circle  both of them none of them