Which passage would work as a thesis statement for a five-to-ten-page argument paper in an advanced composition course?

Graphic novels are not simply long comic books; their complex story lines and mature themes make them serious works of literature on a par with written novels.

Graphic novels have more complex story lines and mature themes than traditional comic books do.

The first statement is an assertion that can be developed in five to ten pages.

For more help, see section 1c.