Hey There! :)
The answer to this question would be the second choice.
<span>"Brutus told you Caesar was ambitious. If it's true that Caesar was, then it wasn't a good thing, and he's been punished for it."</span>
The source stands to make a profit
Start a fire. It sets the entire island on fire and puts them in danger. As far as irony goes, fire is a symbol of hope in the novel, so it is ironic that hope is the thing that would destroy them (if they were not found just in time).
