We have three blocks, A, B and C. One medium blue triangle is in block A. The medium blue triangle is touching the bottom edge of this block. This block also has a medium black triangle. The medium blue triangle is to the right of the medium black triangle. Then, there is block B. It contains a medium black square. Finally, to the left of block B we have block C which is above block A. It has a small black triangle, one big black circle and a big black square. This block also has one medium black square. The big black square is near to and to the left of a medium yellow square. The small black triangle is touching the bottom edge of this block. The big black circle is below the medium yellow square.. The small black triangle is near to the medium black square. The big black circle is touching the right edge of this block.. To the left of the black object which is near to the medium yellow square there is the small black triangle.
Which object is to the left of a medium black square? the big black square or the big black circle that is touching the right edge of a block?
the big black square  the big black circle  that is touching the right edge of  a block  both of them none of them