There are three blocks. Lets call them A, B and C. Block A is to the right of B. Block B is above C. Block A contains a big yellow triangle, one medium yellow triangle and a big blue triangle. The big yellow triangle is touching the bottom edge of this block. The medium yellow triangle is touching the right edge of this block. It is below and to the right of the big blue triangle. To the left of the big blue triangle there is the big yellow triangle. Block B contains two big yellow squares. A medium black square is also in this block. It is above big yellow square number two. Big yellow square number one is touching the right edge of this block. This shape is far from the square which is above big yellow square number two. It is below big yellow square number two. And block C has one big black square, one medium yellow triangle and a big blue square. The medium yellow triangle is near to the big blue square. The big blue square is touching the bottom edge of this block.. The big black square is to the right of and below the medium shape which is near to the big blue square.
What is to the left of the big blue triangle? a big yellow triangle which is touching the bottom edge of a block or a medium yellow triangle that is touching the right edge of a block?
big yellow triangle  which is touching the bottom edge of a block  medium yellow triangle  that is touching the right edge of  a block  both of them none of them