Context: 'Me too. Firewood is the most important thing to me. We will be somewhere cold and we could use the extra warmth.' 'True.  How about I get 2 food, 2 water and 1 firewood. And that will leave you with 2 firewood, 1 water, and 1 food? ' 'What do you need the extra water for?'
Utterance: 'With the extra food I need I will need extra water also.  How about I only take 1 extra water?  '