There are three blocks, A, B and C. There are a medium blue circle and one big yellow triangle in block A. The medium blue circle is to the right of the big yellow triangle. Block B is to the right of block A. It has a big blue square. To the right of and near to a big black square there is the big blue square. To the left of block B there is block C with one small yellow triangle in it.
What is to the left of the big blue square? a medium circle or a black square?
medium circle  black square  both of them none of them