There are three blocks. Lets call them A, B and C. Block A contains one medium blue square. Then, we have block B. It contains two medium yellow squares. There is also a medium black square touching the bottom edge of this block. There is also a medium blue square in this block. It is below medium yellow square number two. Below medium yellow square number two there is medium yellow square number one. Below medium yellow square number one , medium yellow square number two and the medium blue square there is the medium black square. Block C is to the right of block B and to the left of block A. It contains one medium yellow square.
Which object is to the left of a medium yellow square? the medium blue square which is in block B or the medium blue square which is in block A?
the medium blue square  which is in block B the medium blue square  which is in block A both of them none of them