What is output?

#include

using namespace std;

class Greet $\{$

public:

string g$1$;

string g$2$;

string g$3$;

string g$4$;

void Print$()$ const;

Greet$()\{$

g$1="$Hi$!"$;

g$3=$ "Good morning! $"$;

g$4=$ "Good night! $"$;

$\}$

$\}$;

void Greet::Print$()$ const $\{$

cout $<<$ g$1<<$ g$2<<$ g$3$;

$\}$

int main$()\{$

Greet user$1$;

user$1.$Print$()$;

user$1.$g$2=$ "Hello!";

$\}$

Group of answer choices

Hi$!$ Hello! Good morning! Good night!

Hi$!$ Good morning! Good night!

Hi$!$ Good morning!

Hi$!$ Hello! Good morning!