We have two blocks, A and B. Block A is to the right of B. Block A has a big blue square and one medium black triangle. The big blue square is touching the bottom edge of this block. It is below the medium black triangle. Block B contains one medium black square, one big yellow square and one big black square. This block also has one medium yellow triangle. The medium black square is touching the bottom edge of this block. The big black square is touching the right edge of this block. It is near to the medium yellow triangle. Below, to the left of and near to the medium yellow triangle there is the medium black square. Near to, above and to the right of the medium yellow triangle there is the big yellow square.
What is to the left of the blue shape? a medium yellow triangle or a big yellow square?
medium yellow triangle  big yellow square  both of them none of them