We have three blocks. We call them A, B and C. Two medium yellow squares are in block A. Medium yellow square number one is below medium yellow square number two. Above block A we have block B with two medium yellow squares in it. Medium yellow square number one is below medium yellow square number two. To the left of block A there is block C which has a medium yellow square and one medium blue square. The medium yellow square is below the medium blue square.
What is below the blue thing? a medium yellow square that is in block C or a medium yellow square number two?
medium yellow square  that is in block C medium yellow square  number two both of them none of them