ifs

def quiz():
    score = 0
    answer1 = input('What type of tree do dates grow on? \na - Palm trees; \nb - Fir trees; \nc - Hand trees? \n: ')
    if answer1 == 'a':
        print('CORRECT!')
        score = score + 1
    else:
            print('INCORRECT')
    answer2 = input('What is the name of the highest Mountain in Africa? \na - Mount Kenya; \nb - Mount Kilimanjaro; \nc - Mount Wanahakalugi? \n: ')
    if answer2 == 'b':
        print('CORRECT!')
        score = score + 1
    else:
            print('INCORRECT')
    total = int(score)
    print('That is the end of the quiz. You scored ', total,'/2')

phrase = input('Talk to me >')
if phrase == 'hi' or phrase == 'hey':
    print('Hello')
elif phrase == 'What is your name?' or phrase == 'What\'s your name?':
    print ('Marvin')
elif phrase == 'How old are you?' or phrase == 'Are you old?':
    print ('A robot never tells his age!')
else:
    print('Sorry I do not understand \'' + phrase + '\'')
phrase2 = input('How are you doing? : ')
if phrase2 == 'good' or phrase2 == 'great':
    print('I am glad to hear that you are ' + phrase2)
else:
    print('Sorry that you are just ' + phrase2)
phrase3 = input('Would you like to do a short quiz - yes or no? : ')
if phrase3 == 'yes':
    print('GREAT!')
    quiz()
else:
    print('Ok')
print('Bye')