There are two blocks. Lets call them A and B. A big yellow triangle and one medium black circle are in block A. This block also contains one small black square. Below the medium black circle which is to the right of the small black square is the big yellow triangle. The medium black circle is touching the right edge of this block. The big yellow triangle is touching the bottom edge of this block. It is to the right of the small black square. Block B is to the right of block A. It contains a medium black square and one big yellow circle. The medium black square is touching the bottom edge of this block. It is near to the big yellow circle.
Which object is to the left of a medium black square? the big yellow circle or the small black thing?
the big yellow circle  the small black thing both of them none of them