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 self-need strategy, otherwise output No. self-need is a selfish negotiation strategy. It is used to create a personal need for an item in the negotiation, such as by pointing out that the participant sweats a lot to show preference towards water packages.

[EX Q]: Context: 'Yes, and I'll get 1 package of food and all of the firewood.' 'Okay I think this might be a good deal. ' 'Actually, I've just thought about it and I'd also like one package of water. I think it'd be fair being that you're getting 2 packages of food.'
Utterance: 'Which means? Did you mean that I would take 2 packages of food and 2 packages of water? Then I will ask for one package of fire wood.'
[EX A]: No

[EX Q]: Context: 'Okay . How much You need each?' '3 Food and 1 Firewood? You get the rest?' 'That's fine.I will accept your deal.Tell me the reason why you need the item?'
Utterance: 'Food for the family, and firewood is a good tool to purify water and cook. Also wanted to make a win-win deal'
[EX A]: Yes

[EX Q]: Context: 'yes, that would work for sure' 'Thats Good, I'm a big guy and like to eat when I'm out and about. ' 'what if we do 3 water for me, 3 food for you, and split the firewood?'
Utterance: 'No, that won't work. I told you in the begining I needed some water because of the medication I'm on.'
[EX A]:
Yes

