We have two blocks, A and B. Block A is to the left of B. Block A contains one small blue triangle, a medium blue square and one medium black square. To the left of the medium black square is the small blue triangle. The medium blue square is to the right of the medium black square. The medium blue square is touching the bottom edge of this block. The small blue triangle is far from the medium blue square. Block B has one medium black triangle, a medium blue triangle and one big blue triangle. The medium black triangle is above and near to the medium blue triangle which is below and to the left of the big blue triangle. The big blue triangle is touching the right edge of this block. This block also has a medium blue square. The big blue triangle is below the medium blue square.
What is to the left of the medium blue triangle? a square that is touching the bottom edge of a block or a medium black triangle?
square  that is touching the bottom edge of a block  medium black triangle  both of them none of them