We have two blocks. We call them A and B. Block A is to the left of B. Block A contains a big blue square and one medium blue circle. It also contains a big black circle. The big blue square is below the big black circle and the medium blue circle. Block B has a small black circle, a small yellow triangle and a medium black triangle. It also contains one small black square. It is above a big blue square. The small black circle is above and to the left of the medium black triangle. The small yellow triangle is below the small black square. The medium black triangle is touching the bottom edge of this block. To the left of the small black square there is the small black circle. The big blue square is touching the bottom edge of this block.
Which object is to the left of a small black circle? the medium blue circle or the medium black triangle which is touching the bottom edge of a block?
the medium blue circle  the medium black triangle  which is touching the bottom edge of a block  both of them none of them