I stumbled on this grammar formula in the 日本語総まとめＮ３ book: "[文]のに対して", but I'm not sure what [文] stands for. Does it mean a sentence? If it is a sentence, it should end in either N/A/Na/V in 普通形 form, so according to the formula, this should be legit:
but is it really grammatically correct? The book also writes "Nに対して" and its example is:
This [文] part really confuses me, and the book doesn't explain what it stands for, even though it appears a lot in the book. Please help me!