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