There are three blocks, called AAA, BBB and CCC. Covered by block CCC is block BBB. A big blue triangle is covered by block BBB. Block BBB contains a small black triangle which is to the north of a big black circle. Block BBB covers the big black circle. South of the big blue triangle is the big black circle. A big blue triangle and a big black triangle are covered by block CCC. A small yellow circle is within block CCC. South of the big blue triangle is this thing. In front of this object is the big black triangle.
Does a block cover any block?