NYT : He is, after all, one of the men about whom an old girlfriend, Carly Simon, wrote You're So Vain.
He is one of two men that Carly Simon wrote You're So Vain about.
mnli hypothesis: He is one of two men that Carly Simon wrote You're So Vain about. premise: NYT : He is, after all, one of the men about whom an old girlfriend, Carly Simon, wrote You're So Vain.