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