[{'role': 'USR', 'utterance': 'The bridegroom looks a bit nervous.'}
 {'role': 'SYS', 'utterance': 'On this occasion, most people do.'}
 {'role': 'USR', 'utterance': 'Oh, they are playing the wedding March. Here they come.'}
 {'role': 'SYS', 'utterance': 'She is a beautiful bride.'}
 {'role': 'USR', 'utterance': 'I am so happy for them.'}
 {'role': 'SYS', 'utterance': 'Are you crying?'}
 {'role': 'USR', 'utterance': 'Yes, I always cry at weddings.'}
 {'role': 'SYS', 'utterance': 'Harris and Anne are perfect for each other.'}
 {'role': 'USR', 'utterance': 'Yes, they are.'}
 {'role': 'SYS', 'utterance': 'You and Tom also make a great couple.'}
 {'role': 'USR', 'utterance': 'In fact, we are beginning to make preparations.'}
 {'role': 'SYS', 'utterance': 'For the wedding?'}
 {'role': 'USR', 'utterance': 'No, no, for the engagement.'}]
{'role': 'SYS', 'utterance': 'Try to catch this bouquet then.'}