def get_next_person(raw_data):
    first_period = raw_data.find('.')
    second_period = raw_data.find('.', first_period +1)
    person_info = raw_data[:second_period +1]
    return person_info, second_period
#print get_next_person(example_input)

def get_all_persons_info(raw_data):
    persons_info = []
    index_of_persons = []
    while True:
        person_info, second_period = get_next_person(raw_data)
        if person_info:
            persons_info.append(person_info)
            raw_data = raw_data[second_period + 1:]
        else:
            break
    for person in persons_info:
        if (person.split()[0]) not in index_of_persons:
            index_of_persons.append([person.split()[0]])
    return index_of_persons
#print get_all_persons_info(example_input)

def get_next_connection(raw_data):
    first_period = raw_data.find('.')
    second_period = raw_data.find('.', first_period +1)
    person_info = raw_data[:second_period +1]
    person = [person_info.split()[0]]
    first_connection = person_info.find('to') + 3
    last_connection = person_info.find('.')
    connections = (person_info[first_connection:last_connection]).split()
    first_game = person_info.find('play') + 5
    last_game = person_info.find('.', first_game)
    games = person_info[first_game:last_game].split()
    games_list = []
    new_games_list = ''
    for word in games:
        if word[-1] != ',':
            new_games_list += word + ' '
        else:
            for letter in word:
                new_word = ''
                if letter != ',':
                    new_word += letter
                new_games_list += new_word
        games_list.append(new_games_list)
    #data_structure = [person] + [connections] + [games_list]
    #return data_structure
    return games_list
print get_next_connection(example_input)