It is the '<span>Two men argue about whose football team is better.</span>' Because you can see that two characters are arguing about what football team is better.
The 2nd sentence that is highlighted in blue. “We were supposed to go to the amusement park today.”
A topic is what the paper is about, a theme is sort of how a story is set. For example, maybe my topic is danger, so I use that through the theme of snow