Context: Catalan pronouns exhibit T–V distinction, like all other Romance languages (and most European languages, but not Modern English). This feature implies the use of a different set of second person pronouns for formality.

Question: What is this distinction similar to?
Answer: all other Romance languages

Question: What modern language does not have a T-Y distinction?
Answer: English

Question: What does this imply the use an extra group of pronouns for?
Answer: formality