TASK DEFINITION: The input is taken from a negotiation between two participants who take the role of campsite neighbors and negotiate for Food, Water, and Firewood packages, based on their individual preferences and requirements. Given an utterance and recent dialogue context containing past 3 utterances (wherever available), output Yes if the utterance contains the no-need strategy, otherwise output No. no-need is a cooperative negotiation strategy. It is used when a participant points out that they do not need an item based on personal context such as suggesting that they have ample water to spare. no-need can directly benefit the opponent since it implies that the item is up for grabs.
PROBLEM: Context: 'I will need food packaging as well, so unfortunately I cannot agree on you taking it all. I will need 2 of the food packages, 1 of the firewood, and 2 of the water as I want to ensure to feed/hydrate my family of 5.. Does this work for you?' 'I can't agree to this, as I have to feed my family with 7, so I would be needing 3 food packages and 2 water and 2 firewood. will this be agreed by you?' 'No, that will not work. That does not leave me with hardly anything to feed my family of 5 😮. I will not agree to you taking 3 food packages. I can agree to me taking 2 packages of food, 2 of firewood, and 1 of water.'
Utterance: 'In that case I can consider this 2 food packages and 2 water for me and the rest for you. will you agree to this?'

SOLUTION: No

PROBLEM: Context: 'Hi, what is your highest priority item?' 'I would love to have extra food for my trip, bringing the family! how about you?'
Utterance: 'I agree, it will be tricky to find extra food while camping. I'm sure we can figure out something that works for both of us... the water is also very important to me because it's supposed to be hot. There is plenty of wood where I'm going, so you can have the firewood. Would you be willing to take 3 firewood, 1 food and 1 food?'

SOLUTION: Yes

PROBLEM: Context: 'Hi - I can understand that. I have quite a few mouths to feed as well' 'hmmm, well what are you looking to get' 'Well, I think that for us staying warm is more important than having extra food. What if I took extra fire wood and you took extra food?'
Utterance: 'That could work, were not really looking to have a big fire'

SOLUTION:
Yes

