A. David's garage, the most cluttered room in the house. The phrase <em>the</em> <em>most cluttered room in the house</em> is an appositive because it presents <em>information about the noun garage.</em>
C. Joey's brother, Adam, threw a tantrum... The proper noun <em>Adam</em> is an appositive because i<em>t gives extra information about the noun brother.</em>
