21.   Today, rock is having problems.

22.   What Lennon had done was let his mother know that rock had an avant-garde once more.

23.   You know how coastal rock has these holes, washed away, eroded.

24.   The rock had deep, black slashes from top to bottom, as if a giant bear had swiped at it.

25.   The rock has many holes in it and looks like a piece of modern sculpture.