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