2 is a compilation album of songs by the Spanish band Dover, released in 2007. It is a double CD greatest hits compilation from the band including singles: "Serenade", "Devil Came To Me" and "Loli Jackson" and featuring many singles and favourites from their past albums.
Can we infer the following?
Dover is a European group.

OPTIONS:
1). Yes;
2). It's impossible to say;
3). No;
The answer is:
1).