We have three blocks, A, B and C. Block A has one small blue triangle, a big blue circle and one small blue square. Above the big blue circle and the small blue square there is the small blue triangle. The big blue circle is above the small blue square. Block B is to the right of block A. It has one big black triangle. To the left of block B there is block C. It has a big yellow triangle. Near to and above the big yellow triangle there is a medium yellow triangle.
Which object is to the left of a big triangle? the medium yellow triangle or the big yellow triangle?
the medium yellow triangle  the big yellow triangle  both of them none of them