def select_verbosity():
    """
    Set verbosity/silent options from interactive mode
    Returns a boolean tuple-2 with the form:
        (silent, verbose)
    """
    print('Select one of the three modes:')
    print('\tN - Normal mode (by default). Prints the most relevant messages')
    print('\tV - Verbose mode. Prints info often about the running processes')
    print('\tS - Silent mode. Almost never prints any message')
    choice = input('> ')
    if choice in ['s', 'S']:
        return True, False
    elif choice in ['v', 'V']:
        return False, True
    else:
        return False, False
