We have two blocks. We call them A and B. Block A is to the left of B. Block A contains one medium black square and a small blue triangle. There is also a big blue square in this block. It is above a big black triangle. Far from, below and to the right of the big blue square there is the medium black square. To the right of the big blue square is the small blue triangle. Block B contains a medium black square and a medium blue circle. The medium black square is touching the right edge of this block. It is above and to the right of the medium blue circle.
Which object is to the left of a medium black square? the big black triangle or the big blue square?
the big black triangle  the big blue square  both of them none of them