The hashtag here is "big girls are sexy" within quotes. Since it's not a proper noun like a brand or hashtag name, but the user mentioned to skip proper nouns. Wait, the hashtag was a proper noun in the first example. So in the original, "“big girls are sexy”" is a quote, but not a hashtag name. However, the user mentioned in the task to "skip proper nouns". However, in the first example, the hashtag "#BigGirlsAreSexy" is a proper noun (a specific hashtag), so it's skipped. But "the “big girls are sexy” movement" – the quoted phrase is a common noun phrase, part of the movement's name. Wait, the user might consider that as part of the movement's name, which is a common noun phrase, not a proper noun. So it's not a proper noun, so each word can be replaced. Let's check the task again: "proper nouns" – usually capitalized words like names, specific places, brands, etc. So "big girls are sexy" in quotes is a slogan, not a proper noun. Therefore, each word in that phrase can be replaced.
to → with
events → incidents
galvanize → motivate