The title is "The Unlikely Taller Sibling: My Life with a Tall Younger Sister". Proper nouns here are "Unlikely" (but wait, "Unlikely" isn't a proper noun, so maybe that's a regular word). Wait, proper nouns are specific names, so "Emma" is a proper noun. So, "Unlikely" should be replaced with synonyms. Let me start by underlining or noting each word that's not a proper noun.
Continuing this way for each word. Some words might have difficult substitutions. For example, "wonder" could be question, but maybe muse? The three variants need to be plausible. tall younger sister story
Taller: Greater
But as time passed, I began to see the benefits of having a tall younger sister. For one, she’s a natural athlete. Emma dominated on the school basketball court, her height and agility making her a formidable opponent. I cheered her on from the sidelines, marveling at her skills and athleticism. The title is "The Unlikely Taller Sibling: My