There are three blocks, A, B and C. Block A has one medium yellow triangle. Then, there is block B. It contains a medium yellow square. It also has a big yellow circle. To the right of, near to and below a small black triangle there is the big yellow circle. Finally, to the right of block B we have block C. It is below block A. It contains a big yellow circle and one medium black square. The big yellow circle is touching the right edge of this block. It is to the right of the medium black square. A small yellow square is touching the bottom edge of this block. It is below and to the left of the big yellow circle.
Which object is to the left of a small yellow square? the medium yellow triangle or the medium yellow square?
the medium yellow triangle  the medium yellow square  both of them none of them