There are two blocks. Lets call them A and B. Block A is above B. Block A has a medium yellow triangle and one big blue triangle. The medium yellow triangle is touching the bottom edge of this block. The big blue triangle is touching the right edge of this block. To the left of the big blue triangle there is the medium yellow triangle. Block B contains one big blue square, a big black square and one medium yellow triangle. Near to the medium yellow triangle is the big blue square. Below the medium yellow triangle there is the big black square. Above the square which is below the medium yellow triangle there is the big blue square.
What is below the big blue triangle? a medium yellow triangle that is in block B or a medium yellow triangle that is touching the bottom edge of a block?
medium yellow triangle  that is in block B medium yellow triangle  that is touching the bottom edge of a block  both of them none of them