There are two blocks, A and B. A medium yellow triangle, one small blue triangle and a big black circle are in block A. The medium yellow triangle is to the right of the small blue triangle and a small blue circle. This block also has a small yellow triangle. Below the big black circle there is the medium yellow triangle. To the right of block A there is block B which has one medium black square, a big blue circle and one big yellow circle. There is also a big blue square in this block. It is below and to the left of the big yellow circle. Near to and to the right of the big blue square is the medium black square.. The big blue circle is to the left of the big yellow circle. It is near to the blue object which is below the big yellow circle.
Which object is to the left of a medium black square? the small yellow triangle or the small blue circle?
the small yellow triangle  the small blue circle  both of them none of them