We have three blocks, A, B and C. There is one small blue triangle in block A. Above block A is block B which contains one small blue square, a big blue square and a big blue triangle. The big blue square is to the left of the big blue triangle. It is touching the bottom edge of this block. The small blue square is to the left of the big blue square and the big blue triangle. To the left of block A there is block C with one medium black triangle in it.
Which object is above a small blue triangle? the big blue triangle or the medium black thing?
the big blue triangle  the medium black thing both of them none of them