We have three blocks, A, B and C. There is a medium blue square in block A. To the left of block A there is block B. It contains a medium yellow square. To the left of block A there is block C with a medium black square and a medium yellow square in it. A medium blue square is also in this block. This object is below the medium yellow square. The medium black square is below the medium yellow square and the medium blue square.
Which object is to the left of a medium blue square? the medium yellow square that is in block C or the medium yellow square that is in block B?
the medium yellow square  that is in block C the medium yellow square  that is in block B both of them none of them