There are three blocks. We call them A, B and C. Block A is above block B and it is to the left of block C. Block A contains a medium black circle. Block B has a medium blue circle and one big blue circle. It also has one big blue square. It is near to the big blue circle.. The medium blue circle is touching the bottom edge of this block. It is to the right of the big blue circle. It is to the right of the big blue square. Block C has one small black triangle, a big yellow circle and one small blue triangle. Below the small blue triangle there is the big yellow circle. Below and to the left of the small blue triangle is the small black triangle.
What is to the right of the medium black circle? a square or a yellow circle?
square  yellow circle  both of them none of them