Given the following enum declaration, how many lines contain compilation errors? 

A. Zero

B. One

C. Two

D. Three

E. More than three

public enum Proposition { TRUE (1) { String getNickName() { return "RIGHT"; }}, FALSE (2) { public String getNickName () { return "WRONG"; }}, UNKNOWN (3) { public String getNickName () { return "LOST"; }} public int value; } Proposition (int value) { this.value = value; } public int getValue () { return this.value; } protected abstract String getNickName();