Context: 'I would like some extra food in case I get hungry.' 'Okay that sounds ok, I can do without the food. I also need two packages of water because it will be very hot out.' 'I can give you 2 packages of water.  I think there is plenty of water, so I do not need extra water.🙂'
Utterance: 'What are you going to use your water for?  And thank you.'