Choose from options: Determine if the sentence is true based on the text below:
All of the songs on the CD 2 were number 1 hits.

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.
Options are:
(a). Yes.
(b). It's impossible to say.
(c). No.
(b).