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.
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Question: Context: 'Hi, how are you, ready for the big camping trip?' 'Yes I am. I'm actually already at the camp and came across some homeless people who could really use all the food they can get.'
Utterance: 'Wow, ok. I'd can give you some food, I'd like to have a little extra food and water as we have a larger group going. '

Answer: No


Question: Context: 'Unfortunately, I have arthritis so being sure to keep warm and the dampness away in the evening, heat is important for me.' 'Ok.  I am worried about animals and bugs so I would prefer 2 firewood.  But I am happy with the 3 food🙂' 'Ok, how about we shift a bit as I hear you on the bugs and animals.  I think I can get by with one firewood and use extra covers and meds.  But, will need plenty of water and some food.  How about I take 1 firewood, 2 water and 2 food.'
Utterance: 'Ok, although I was thinking that I could probably find some firewood, but would prefer more water so I don't get dehydrated and can use it to wash and cook.  How about I take 1 firewood, 2 water, and 1 food'

Answer: Yes


Question: Context: 'how about i get 1 water, 2 food, and 2 firewood since I'll be here so long? because of my leg i likely won't be able to leave anytime soon' 'What about I give you more food in exchange for you giving me more water? I could give you 2 food and you give me an extra water?' 'unfortunately that doesnt work for me. i am afraid i will not be able to discuss this any further my final offer is i get 2water 2food and 1wood'
Utterance: 'can we meet in the middle? if we cannot come to an agreement we both get nothing and we both lose. i am in dire need of the water to keep my leg from having to be amputated. i have children at home i take care of and i can't live without my leg'

Answer:
No