import random

def eightBall():
    ans = ["It is certain.",
           "It is decidedly so.",
           "Yes, definitely.",
           "Reply hazy, try again.",
           "Ask again later.",
           "Concentrate and ask again.",
           "My reply is no.",
           "Outlook not so good.",
           "Very doubtful."]

    print ("Ask me a question and I shall give you an answer.")
    q = input()
    if "?" not in q:
        print ("That wasn't a question.")
        eightBall()
    else:
        print (random.choice(ans))
        if random.choice(ans) == "Reply hazy, try again." or random.choice(ans) == "Ask again later." or random.choice(ans) == "Concentrate and ask again.":
            eightBall()