We have three blocks. We call them A, B and C. There are a medium blue triangle, a small yellow circle and a medium yellow circle in block A. This block also contains a small black triangle. The medium blue triangle is below the medium yellow circle and the small black triangle. To the right of the small black triangle is the small yellow circle. Above the small black triangle is the medium yellow circle. Then, there is block B with one big yellow square and one medium yellow triangle in it. The big yellow square is touching the right edge of this block. It is to the right of the medium yellow triangle. Finally, we have block C above block B and to the left of block A. It contains a small blue circle.
Which object is to the left of a medium yellow circle? the medium yellow triangle or the medium blue triangle?
the medium yellow triangle  the medium blue triangle  both of them none of them