Answer: Synonyms
Explanation: Antonyms are words opposite in meaning to another. Synonyms are words or phrases that mean exactly or nearly the same as another word or phrase in the same language. Trash is defined as discarded matter; refuse- and rubbish is defined as waste material; refuse or litter. It is evident that the two words are very similar in meaning so they are synonyms.
This is best summarized by the third statement. Although the first statement originally looks like the correct answer, if you pay attention to his wording, he says that they will not reconcile while they are fighting, and that their work will become undone by quarrels. The third statement is the most correct.