chat_history: ['So...the sewer line backed up into our house last week.', "Oh no! That's a smelly situation to be in. What did you end up doing to fix it?", 'It was truly disgusting. We had to have a crew of plumbers come in and dig up our yard.']
sys_response: What a pain! I bet that cost a fortune. Did they end up repairing all the portions of yard that they had to rip up?
situation: the sewer backed up into our house