2 + 2 = ?

Yes, it's true I am a young man
 But I'm old enough to kill
 I don't wanna kill nobody
 But I must if you so will
 And if I raise my hand in question
 You just say that I'm a fool
 'Cause I got the gall to ask you
 Can you maybe change the rules?
 Can you stand and call me upstart?
 Ask what answer can I find?
 I ain't sayin' I'm a genius
 Two plus two is on my mind
 Two plus two is on my mind
 Well I knew a guy in high school
 Just an average friendly guy
 And he had himself a girlfriend
 And you made them say goodbye
 Now he's buried in the mud
 Over foreign jungle land
 And his girl just sits and cries
 She just doesn't understand
 So you say he died for freedom
 Well if he died to save your lies
 Go ahead and call me yellow
 Two plus two is on my mind (two plus two is on my mind)
 Two plus two is on my mind (two plus two is on my mind)
 All I know is that I'm young (two plus two is on my mind)
 And your rules they are old (two plus two is on my mind)
 If I've got to kill to live (two plus two is on my mind)
 Then there's something left untold (two plus two is on my mind)
 I'm no statesman I'm no general (two plus two is on my mind)
 I'm no kid I'll never be (two plus two is on my mind)
 It's the rules, not the soldier (two plus two is on my mind)
 That I find the real enemy (two plus two is on my mind)
 I'm no prophet I'm no rebel (two plus two is on my mind)
 I'm just asking you why (two plus two is on my mind)
 I just want a simple answer (two plus two is on my mind)
 Why it is I've got to die? (Two plus two is on my mind)
 I'm a simple-minded guy (two plus two is on my mind)
 Two plus two is on my mind (two plus two is on my mind)
 Two plus two is on my mind (two plus two is on my mind)
 Two plus two is on my mind
 Two plus two is on my mind (two plus two is on my mind)
 Two plus two is on my mind (two plus two is on my mind)
 Oh, two plus two is on my mind (two plus two is on my mind)
 Two plus two is on my mind (two plus two is on my mind)
 Two plus two is- mind (two plus two is on my mind)
 Two plus two is on my mind (two plus two is on my mind)
 Two plus two is on my mind (two plus two is on my mind)
 Two plus two is on my mind