Which words in the sentence make up the appositive phrase?
we are watching one of my brother's favorite movies, star wars.
a.
star wars
b.
my brother's favorite movies
c.
one of
d.
we are watching

I believe it is Star Wars, because you are adding on that you are watching that particular movie. The sentence would have been fine if you kept it its original way without the ",Star Wars." (We are watching one of my brothers favorite movies).

The purpose of his farewell speech was to formally address his fans all over the world, and confirm the rumors that Gehrig would never play baseball again. There are several different structures that could be used to describe this speech, but the main structure is cause and effect.