According to this excerpt from Book 24 of Homer's Odyssey, why does Eupithes want revenge against Ulysses?

According to this excerpt from Book 24 or Homer's "Odyssey", Eupithes wants revenge against Ulysses because Ulysses has killed his son Antinous. Odysseus has killed Penelope's suitors.

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."