We have three blocks. Lets call them A, B and C. Block B is to the right of C and block C is below A. Block A contains a small yellow square and one medium black circle. The small yellow square is below and to the right of the medium black circle. Block B has a medium yellow square, one big black square and one medium blue square. The medium yellow square is below and to the left of the medium blue square. Below the medium blue square there is the big black square. The medium blue square is touching the right edge of this block. Block C contains one big black circle.
What is to the right of the big black circle? a big black square or a small yellow square?
big black square  small yellow square  both of them none of them