Answer:
antonym or opposition
Explanation:
Context clue is basically a setting of a sentence which helps us gain unknown piece of information or a meaning.
Let's show that on the example given.
We might not be familiar with the meaning of the word novice, however we see that the conjunction although is used. This conjunction denotes opposition, a change of tone to express something that's contrary to previous information.
Now, it's obvious, from this context, that the word novice means opposite of experienced.
This way, without looking up a dictionary, we could discover the meaning of the word.
Cool? Not really sure what the question here is.
I think the answer is that Sarah should look up words she doesn't know for chapter titles, headings and first paragraphs and write the main idea in her own words.