A block named AAA contain two medium yellow squares. A medium black square and medium yellow square number two touch another medium yellow square which is in this block. Medium yellow square number one touches medium yellow square number two and is north of the medium black square. The medium black square is covered by block AAA. Block AAA has another block named BBB. South of another medium yellow square is a medium yellow square. Medium yellow square number one is in block BBB. Medium yellow square number two is within block BBB. Block BBB covers a blue square. Medium yellow square number two touches medium yellow square number one. We have a block called CCC.
Do all yellow things touch any object?