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