Which excerpt from "Amigo Brothers” helps the reader determine the story’s theme?

Antonio was passing some heavy time on his rooftop. How would the fight tomorrow affect his relationship with Felix?
The fight had created great interest in the neighborhood. Antonio and Felix were well liked and respected. Each had his own loyal following.
Up to now it had been tick-tack-toe, pretty much even. But everyone knew there could be no draw and that this round would decide the winner.
The announcer turned to point to the winner and found himself alone. Arm in arm the champions had already left the ring

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

Fine fellow, that lebrun," said arobin when robert had gone. "i never heard you speak of him.""i knew him last summer at grand isle," she replied.  what becomes apparent during this conversation? robert and arobin are both aware they are rivals for edna’s affections.arobin is unaware of robert’s role in edna’s life, but robert is aware of arobin’s role.robert is completely unaware of arobin’s romantic intentions and love for edna.robert has much more confidence in himself than arobin does.

In poem daffodils-how do we know that the yellow daffodils has a long lasting effect on the speaker.