Bull/Cow Game C++ v2

#include <iostream>
#include <string>

using namespace std;

void PrintIntro();
void PlayGame();
string GetGuess();
bool PlayAgain();

int main(int number)
{
    PrintIntro();

    PlayGame();

    PlayAgain();
    return 0;
}

void PlayGame()
{
    int Tries = 5;
    for (int count = 0; count < Tries; count++)
    {
        GetGuess();

    }
}

void PrintIntro()
{
    constexpr int WordLength = 5;
    cout << "Welcome to Bulls and Cows!" << endl;
    cout << "Can you guess the word I'm thinking of?..  It's a ";
    cout << WordLength;
    cout << " letter word" << endl;
    return;
}

string GetGuess()
{
    string Guess;
    cout << "Your guess: ";
    getline(cin, Guess);
    cout << "You guessed: ";
    cout << Guess << endl;
    cout << endl;
    return Guess;
}

bool PlayAgain()
{
    cout << "Would you like to play again?";
    string Response = "";
    getline(cin, Response);
    cout << "First char: " << (Response[0] == 'y' || 'Y');
    cout << endl;
    return (Response[0] == 'y') || (Response[0] == 'Y');
}