There exists a block called AAA. Another block called BBB is inside block AAA. A medium yellow square are to the north of another medium yellow square and another medium yellow square.Medium yellow square number three touches medium yellow square number two. Medium yellow square number one is in block BBB. Medium yellow square number two is north of a medium black square. Block BBB covers the black thing. To the south of the shape which touches medium yellow square number two is the medium black square. Medium yellow square number three and medium yellow square number two are within block BBB. There is a block named CCC. Block CCC covers a medium yellow square.
Does block BBB have a yellow square?