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