We have three blocks. Lets call them A, B and C. Block A contains one medium black triangle. Then, there is block B with one big black square in it. Below block B and to the left of block A there is block C with one big yellow square in it. A small black circle is near to and to the right of the big yellow square. A medium yellow triangle is also in this block. It is to the left of and above the big yellow square.
Which object is to the left of a big yellow square? the medium yellow triangle or the medium black triangle?
the medium yellow triangle  the medium black triangle  both of them none of them