There are three blocks, named AAA, BBB and CCC. Block AAA has a medium black square. North of another medium black square is the medium black square. Medium black square number two is inside and touching block AAA. Block BBB contains a medium blue square. Another medium blue square and a medium yellow square are within this block. Another medium blue square is covered by block BBB. Medium blue square number two is to the south of medium blue square number one and is north of the medium yellow square. To the south of this thing is medium blue square number three. The yellow shape and medium blue square number one are north of this object. Block CCC covers a medium blue square. Another medium blue square touches another medium blue square and is north of medium blue square number one. Medium blue square number two is inside block CCC. Medium blue square number three is within block CCC.
Is medium black square number two to the south of all medium black squares?