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