There are three blocks, A, B and C. Block A has one medium blue square. Below block A there is block B. It contains one medium blue triangle and one medium yellow triangle. The medium blue triangle is above, to the right of and touching the medium yellow triangle. Finally, we have block C. It is to the left of block A. It has one big yellow circle and a big black triangle. There is also one medium black circle in this block. Far from the big black triangle there is the medium black circle. This shape is near to and above the big yellow circle which is to the right of the big black triangle.
Which object is to the left of a square? the big yellow circle or the medium blue triangle?
the big yellow circle  the medium blue triangle  both of them none of them