Identify the function of the underlined noun in the following sentence. I went to /the store/, a grocery store, to get supplies. Object of a Preposition Appositive Subject Predicate Noun

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n arraignment is not a hearing to determine guilt or innocence. it is usually a criminal defendant's first appearance in court 

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.