One block named AAA exists. This block contain two medium yellow squares. To the north of a medium blue object is medium yellow square number one. The blue shape is within block AAA. Medium yellow square number two is north of another medium yellow square. To the south of and touches the blue thing is this shape. Medium yellow square number three is inside and touching block AAA. This thing is south of and the blue thing touches medium yellow square number one.
Are all yellow things in block?