There are three blocks, A, B and C. One small blue triangle is in block A. The small blue triangle is to the left of a medium blue circle. Block B is to the right of block A. It contains a big black circle. It also contains a small black square. Below the small black square there is the big black circle. Finally, there is block C which is below block B. It has a medium yellow square.
Which object is to the left of a small black square? the medium blue circle or the big black object?
the medium blue circle  the big black object both of them none of them