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.

[Q]: Context: 'I was just negotiating the water for now. I was trying to do one at a time.' 'ah, I'm definitely ok with doing one at a time: A 2:1 split is definitely OK with me: The issue is, if we consider each individually, it might be harder to come to a deal, but I'm happy to do it your way.' 'How about you take 1 firewood, I''l take 2 and with food, you can have 2 and I'll take one package. I have two very hungry boys!'
Utterance: 'Is there a reason you want the 2:1 split? Food my group's largest priority by a large margin (We eat a lot). It's worth a lot more to my group then the firewood would be.'
[A]: Yes

[Q]: 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'
[A]: Yes

[Q]: Context: 'I also need more firewood. I thought I would be able to find enough around the campsite but I guess that rain got us both 😮' 'yeah, horrible way to start the trip but I am sure it will get better. if i can have 2 of the fire wood you could have all three of the extra water' '🙂 Okay, I'll consider that since I do need some more water. How should we split up the food?'
Utterance: 'well if your getting all 3 food and 1 of the fire wood how about i get 2 food and you get one? then it is more or less even'
[A]:
No