There are three blocks. Lets call them A, B and C. Block A is to the left of and B is above C. Block A has a medium black triangle. Block B contains one big yellow square and one big black square. It also contains a big black triangle. This shape is below the big black square. To the left of the big black triangle and the big black square there is the big yellow square. Block C contains a small yellow triangle.
Which object is to the left of a yellow triangle? the medium shape or the big shape that is touching the bottom edge of a block?
the medium shape the big shape that is touching the bottom edge of a block  both of them none of them