There are three blocks. Lets call them A, B and C. Block A contains a medium blue triangle. To the left of block A we have block B which contains one big blue circle, one big yellow circle and one big blue triangle. The big blue circle is touching the right edge of this block. It is to the right of the big yellow circle and the big blue triangle. Above block A there is block C with one medium yellow triangle in it.
Which object is to the left of a medium blue triangle? the big blue triangle or the medium yellow triangle?
the big blue triangle  the medium yellow triangle  both of them none of them