The slope of line c would be 1
Typically newspapers want their articles to be shorter because they want to appeal to their audience, who wants only the facts and information quickly.
Gandalf gets Beorn to shelter thirteen dwarves by bringing them in two by two while he tells an exciting story. ... the mention of the dwarves being attacked by Goblins eventually interests about the dwarves. Beorn doesn't like Goblins or the wolves.