We have three blocks, A, B and C. Block B is below C. Block C is to the right of A. Block A has two big black triangles. There is also one small blue square in this block. Big black triangle number one is touching the right edge of this block. Big black triangle number two is touching the top edge of this block. It is to the right of and above the small blue square. Big black triangle number one is below and to the right of the black shape which is to the right of the small blue square. Block B has one medium black square and a medium black triangle. To the left of a small blue triangle there is a small black triangle. Below, to the left of and near to the small blue triangle is the medium black square. The medium black triangle is below and to the right of the small blue triangle. Block C has a small yellow square.
What is to the left of the medium black triangle? a medium black square or a small blue triangle?
medium black square  small blue triangle  both of them none of them