We have three blocks, A, B and C. A small black square, one big yellow circle and a big blue square are in block A.. The big yellow circle is near to, below and to the right of the big blue square. Block B is to the left of block A. It contains one big blue triangle. This block also contains one big yellow triangle. The big yellow triangle is below the big blue triangle. Finally, there is block C. It is to the right of block A. It contains a big black square.
Which object is to the left of a big black square? the big blue square or the big blue triangle?
the big blue square  the big blue triangle  both of them none of them