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