Context: 'I really need 3 firewood because I am always cold.' 'If I gave you 3 firewood, would you give me 3 water? I can do without the wood, but the water is really important to stay hydrated.' 'I can give you 2 water, but I have to have 1 to help me when I am cooking.'
Utterance: 'What about the food? How much food do you need for camping?'