We have three blocks. Lets call them A, B and C. There are one small black square and a medium blue triangle in block A. Above and to the left of the medium blue triangle is the small black square. Then, there is block B which contains one small yellow square. Finally, we have block C. It is to the right of block B. Block A is to the left of it. It contains a big black triangle, a medium blue square and a big yellow triangle. This block also has a big blue triangle. This block also has a small yellow triangle. Above the medium blue square and the big blue triangle there is the big black triangle.
Which object is to the left of a big yellow triangle? the small yellow square or the medium blue triangle?
the small yellow square  the medium blue triangle  both of them none of them