We have three blocks, named AAA, BBB and CCC. Block AAA has a small black square. A big black square and a medium blue circle are covered by this block. Behind the big black square there is a big blue circle. The big blue circle is within block AAA. The medium blue circle is under this thing and is behind the small black square. Block BBB has block AAA. Block AAA contains block CCC. A medium black square is over a small black circle. The medium black square is covered by block CCC. The small black circle is within block CCC. A small yellow square touches and this shape is behind another small black circle. Block CCC has small black circle number two. The small yellow square is inside this block.
Does a block contain the small yellow square?