We have three blocks. Lets call them A, B and C. Block C is to the right of and A is above B. Block A contains a small black square. Block B contains a big yellow square and one big yellow triangle. The big yellow square is touching the bottom edge of this block. The big yellow triangle is touching the bottom edge of this block. The big yellow square is to the left of the big yellow triangle. Block C contains a medium yellow triangle. Below and to the left of a big black triangle is the medium yellow triangle. The big black triangle is touching the right edge of this block.
Which object is to the left of a big black triangle? the medium shape or the big yellow triangle that is touching the bottom edge of a block?
the medium shape the big yellow triangle  that is touching the bottom edge of a block  both of them none of them