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