Keywords if i'm not mistaken. Length has nothing to do with the type, headings could but not as much as key words, nor does the title.
Possible answers:
<em>The</em> branches swayed in the breeze.
article
The <em>branches</em> swayed in the breeze.
noun
The branches <em>swayed</em> in the breeze.
verb
The branches swayed <em>in</em> the breeze.
preposition
The branches swayed in the <em>breeze</em>.
noun
hope this helps
The main idea of the book/movie twilight is YoUlL FiNd TrUe L0vE
