Context: 'Thank you.  WOuld you be willing to give me all the food?  I would give you all the water and 2 firewood.' 'I can give you all the food and 1 water. I get all firewood and 2 water.' 'I need at least one firewood to cook my food.  Can you give me one firewood for all the water?'
Utterance: 'I'm sorry. I won't be able to do that.'