TNT is a Norwegian heavy metal band from Trondheim, formed in 1982. The band has released twelve studio albums, three EPs and three live albums while going through numerous line-up changes since its formation. Guitarist Ronni Le Tekrø is the only consistent member of TNT. TNT has sold between 4-5 million albums worldwide as of 2016.
Can we infer the following?
TNT was formed in the spring of 1982

Options are: (I). Yes; (II). It's impossible to say; (III). No;
The answer is:
(II).