chat_history: ['I was glad to see the boys get out of the cave, but sad that a diver died.', 'That was so bad. What kill the diver', 'They said he ran out of oxygen, while uderwater. That was weird since it happened after they located the team.']
sys_response: It means he miscalculated the time he was to spend under the water. Sorry for him
situation: I was sad to see one of the cave rescuers died.