I think it's "La" because it means she is "the" writer of her school.
Parents should not talk about sexuality to their children because it can lead to prejudices against different genders, for example, girls can become pregnant, therefore, some guys might avoid girls at all costs because of that strange image inside their heads. Males cannot become pregnant, so males might have sex with females and then leave, because they feel no responsibility whatsoever. After all, there is, technically, no "consequence" for males.
Adjectives and adverbs are both words that describe something. If anyone has ever asked you to describe something in detail, you probably used some adverbs and adjectives along the way.
