Print statements paired with replies, formatted for easy review

def format_ubuntu_dialog(df):
    """ Print statements paired with replies, formatted for easy review """
    s = ''
    for i, record in df.iterrows():
        statement = list(split_turns(record.Context))[-1]  # <1>
        reply = list(split_turns(record.Utterance))[-1]  # <2>
        s += 'Statement: {}\n'.format(statement)
        s += 'Reply: {}\n\n'.format(reply)
    return s