public static void main(String args[]) {
    String question = "What is the largest planet in the solar system?";
    String choiceOne = "Earth";
    String choiceTwo = "Jupiter";
    String choiceThree = "Mars";

    String correctAnswer;
    correctAnswer = choiceTwo;

    // Write a print statement asking the question
    {System.out.println("What is the largest planet in the solar system?");}
    // Write a print statement giving the answer choices
    {System.out.println("Choose one of the following:" + " " + "Earth," + " " + "Jupiter," + " " + "Mars");}
    // Have the user input an answer
        Scanner scanner = new Scanner(System.in);
    // Retrieve the user's input
    String input = scanner.next();
    // If the user's input matches the correctAnswer...
    if(choiceTwo.equals(input.toLowerCase()))
    // then the user is correct and we want to print out a congrats message to the user.
    {System.out.println("Congrats! You are correct!");}
    // If the user's input does not match the correctAnswer...
    else {System.out.println("Incorrect, the correct answer is" + " " + correctAnswer);}
    // then the user is incorrect and we want to print out a message saying that the user is incorrect as well as what the correct choice was.

}