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