There are three blocks. We call them A, B and C. Block A has a big black square and one medium black triangle. To the right of the medium black triangle there is the big black square. To the left of block A is block B with a big yellow circle and a small yellow circle in it. Above and near to the small yellow circle there is the big yellow circle. Finally, there is block C which is to the right of block A. It has a medium yellow square.
What is to the left of the medium yellow square? a medium black triangle or a small yellow circle?
medium black triangle  small yellow circle  both of them none of them