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.

[EX Q]: Context: 'Ah, so you want some extra water too? I have a lot of lemonade mix for the kids so I'll need water for them.' 'I tend to get dehydrated quickly so if I don't have enough to drink I won't be able to provide everyone with food.' 'Well, we have extra food too. How about I take 2 water, 1 food, and give the res (1 water, 2 food, 3 firewood) to you?'
Utterance: 'That's super thoughtful of you. However, I really need two waters so I can provide for everyone. Once we have enough food and fire we can always go get water from the stream and boil it for the kids.'
[EX A]: No

[EX Q]: Context: 'Okay, What did you thing about the camping trip?' 'I'm excited to go on it! I haven't gone it yet, that's why we're talking about supplies now.' 'Yeah, What did think about water? '
Utterance: 'I think water is great! I don't need very much for this trip, but water is delicious.'
[EX A]: Yes

[EX Q]: Context: 'Hi, how are you? ' 'Am fine what about you?'
Utterance: 'Good thanks! So I'm hoping I can get all of the Food, but am willing to negotiate on the other items. '
[EX A]:
No