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