We have two blocks, A and B. Block A is to the right of B. Block A contains one big black square and a small blue triangle. To the left of, above and near to a big yellow square is the big black square. Block B contains one big blue circle, one medium yellow triangle and one medium black circle. Near to and below the medium yellow triangle is the big blue circle. The medium yellow triangle is above and to the left of the medium black circle.
Which object is to the left of a medium black circle? the medium yellow triangle or the big black square?
the medium yellow triangle  the big black square  both of them none of them