We have three blocks, A, B and C. Block A is to the left of block B and above block C. Block A contains one medium black triangle. Block B contains a medium blue square. The medium blue square is to the left of a big blue square and a big black triangle. The big black triangle is touching the right edge of this block. The big blue square is touching the right edge of this block. It is above the big black triangle. And block C contains two medium yellow squares. This block also has a small yellow triangle. It is to the right of medium yellow square number one and medium yellow square number two. This block also contains a big yellow triangle. It is above medium yellow square number one. A big black square is to the right of medium yellow square number two.
Which object is above a big black triangle? the big blue square that is touching the right edge of a block or the medium blue square?
the big blue square  that is touching the right edge of  a block  the medium blue square  both of them none of them