An antecedent of a pronoun is a word that refers to the same thing as this pronoun.
here the pronoun is "theirs"
<em>Rivers stopped flowing along the bank's so that they could hear Orpheus, whose music was harmonious than </em><em>theirs.</em>
(all the words in Boldface refer to the same thing).
What does the "theirs" refer to? it refers to their music, and the they is the Rivers (it's a personification of rivers)
The antecedent is the river!
The correct answer for the question that is being presented is this one: "3.The food was excessive. " The sentence that uses a word with a negative connotation is this one <span>The food was excessive. Because of the word excessive, it might mean something else.</span>
maybe the author just want to keep that info secret and the story maybe not true at all so author doesn't want to tell readers, that what I think!
<span>To find the perimeter of a hexagon you need to know the number of sides in the hexagon which is 6, then to find the perimeter you multiply the side length by the number of all 6 sides</span>