In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: False titles of nobility are titles of nobility which are fake .
A: 
False titles of nobility are claimed titles of social rank that have been fabricated or assumed by an individual or family without recognition by the authorities of a country in which titles of nobility exist or once existed .