Finding a good boyfriend is like finding a needle in a haystack; it is a tedious task that is unlikely to happen. Therefore, no person will ever truly find a good boyfriend. This argument does not prove the point being argued because it relies only on comparisons to support it's conclusion.
Answer:
Sara is not interested in learning french language. because maybe Sara don't like french language or sara might have something problem with french language to learn.
It shows the readers that not all slave-owners was cruel.