We were super pumped about going to the Taylor Swift concert.
The sentence "We were super pumped about going to the Taylor Swift concert" is an example of informal language.
The sentence "We were super pumped about going to the Taylor Swift concert" is an example of informal language. To determine this, we can look for language that is more casual or colloquial compared to the other options. The use of the word "super" to intensify the feeling, and the use of the word "pumped" which means excited, are indicators of informal language.
