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