chat_history: ['I took up running and I started seeing a huge improvement in my cardiovascular endurance.', 'Nice, Was it hard to start?', "Unimaginably hard. But once I got into it I couldn't stop. I'm feeling pretty certain that I'll hit my 5km goal in no time."]
sys_response: Wish i could run close to 5km, i'd struggle with 100 meters.
situation: I took up running and I started seeing a huge improvement in my cardiovascular endurance. I felt so certain that I would hit my 5km goal in no time!