There are two blocks. Lets call them A and B. Block A is to the right of B. Block A contains one big blue square. Block B has a medium blue square, one small yellow square and a small blue square. The medium blue square is near to and above a medium blue triangle. The small yellow square is above a big yellow square. To the right of the medium blue triangle there is the big yellow square.. Near to the square which is to the right of the medium blue triangle there is the small blue square.
What is to the left of the big blue square? a medium blue square or a small yellow square?
medium blue square  small yellow square  both of them none of them