Hello 🙂 Which item do you need the most?
Hello 🙂 I needed more food. 
Unfortunately, I need more food too because all the food I brought has spoiled. I will be starving without more food. How about I take 2 food and you can have all 3 water?
I really needed to have more packages of food as I have a condition where I can't let my blood sugar get too low and having more food would greatly help me with this. 
I will be willing to let you have 2 food if you let me have all 3 firewood, 2 water, and 1 food.
The food deal sounds good but I also am in need of firewood. I need at least one firewood in the case of emergency I wouldn't want to be stuck freezing. ☹️ 
Well, you can't have everything you want. I already conceded by letting you have more food. I think the deal I offered is fair since we both need food the most but I am letting you have more.
Maybe we can compromise on the water,  if I give you 1 food and all 3 firewood you can give 3 waters to me. 
Then you will need to give me 2 food. So I take 2 food 3 firewood, and you can have the rest.
I needed food the most. If I take 2 food, 1 firewood,  and 1 water and give you the rest. I think that's fair.