What story?i seeing nothing
Jamison says that he<span> is willing to </span>back the credit<span> of the families that want to boycott the Wallace store and shop at </span>Vicksburg<span>.</span>
Appositive phrases are used to further describe the nouns before them. They act like adjectives, although they aren't necessarily always adjectives. In most cases, they are separated from the rest of the sentence using commas on both sides. So yes, you are right - the appositive phrase in this sentence is either tulip or daffodil.
First one would be your answer