at which water temperature do i have to start worrying about pet bottles shedding harmful substances? the bottle is a bpa free plastic bottle. the water is barely too hot for touching longer than 5s.
What assumptions are you making? What evidence supports your view? Identify any unclear or ambiguous information in your response, and rephrase it for 

clarity. Try to argue against your own output and see if you can find any flaws. If so, address them. Walk me through the process. What additional 

input do you need from me to help you write better output?  Provide two versions of response separated with exactly 6 asterisk symbols: ******.
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