URGENT!! A categorization of the kinds of sth or a categorization of sth? Is any of the options incorrect? If not, which is the difference between them? Context: [...]and Gloria Corpas Pastor, who studied the works of the major linguists and carried out a more comprehensive categorization of the kinds of phraseme.

a categorization of the kinds of phrasemes or a categorization of phrasemes? Is any of the options incorrect? If not, which is the difference between them? Context: [...]and Gloria Corpas Pastor, who studied the works of the major linguists and carried out a more comprehensive categorization of the kinds of phraseme. Thanks!

Ist das korrekt? Am Anfang, wollte ich nach Köln fahren, weil mein Freund dort studiert, aber meine Note ist nicht genug. Deshalb möchte ich jetzt nach Graz fahren, denn meine Freundinnen sehr zufrieden dort sind.