We have three blocks, A, B and C. Block A contains one small black triangle. Near to and above a medium yellow circle is the small black triangle. Then, there is block B which has a medium black triangle, one big yellow triangle and a big black square. The medium black triangle is above the big yellow triangle. This shape is to the left of a big blue circle. The big blue circle is to the left of the big yellow triangle which is far from the big black square. This object is to the right of the big black square. To the right of both blocks A and B there is block C. It has one medium yellow square.
What is to the left of the medium yellow square? a big black square or a medium yellow circle?
big black square  medium yellow circle  both of them none of them