We have three blocks. We call them A, B and C. Block A is to the right of B and block C is to the right of A. Block A has a big black triangle. Block B contains one big blue square, a small blue triangle and a small yellow square. This block also contains a small blue square. A big black triangle is touching the bottom edge of this block. Above and to the right of the small yellow square there is the big blue square. This object is touching the right edge of this block. Below the square which is above the small yellow square is the big black triangle.. The small blue triangle is to the left of and above the small yellow square. Block C has a medium black triangle. The medium black triangle is touching the bottom edge of this block. There is also one small blue square in this block. The medium black triangle is below and to the right of the small blue square.
Which object is to the left of a big black triangle? the small blue triangle or the medium black triangle which is touching the bottom edge of a block?
the small blue triangle  the medium black triangle  which is touching the bottom edge of a block  both of them none of them