A. recycle waste for the future generations
The answer is personal and spiritual exploration because romantic literature was meant to make the mind wander into romantic stories of love and romance where one found out more about themselves while falling in love. At least, that is my best guess since it's certainly not supposed to be rational and well reasoned ideas, it's not about religion, and I don't think it's supposed to empasise on society.
Thesaurus is the tool where you can find synonyms for a word, and even antonyms.
Although you can find synonyms in a regular dictionary as well, thesauri are better when it comes to that.
The aging process can correctly be described as inexorable.
