Osakans pride themselves on being warmer, friendlier, and more spontaneous than their Tokyo cousins, whom they love to dismiss as formal and uptight.
Osakams are colder than those in Tokyo. 
mnli hypothesis: Osakams are colder than those in Tokyo.  premise: Osakans pride themselves on being warmer, friendlier, and more spontaneous than their Tokyo cousins, whom they love to dismiss as formal and uptight.