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: 'Yes definitely! It is a pain for sure, but I love camping so I still want to go! I just have to make sure I have all the supplies I need. ' 'I can do without extra water as long as I have food and firewood to purify water I find.  It might be better for you to have a reliable supply though.' 'That totally makes sense! I actually am good on firewood thankfully, I got some from a person selling it from their yard a little bit ago.'
Utterance: 'I would have been able to bring more with me by getting some from my parents, but my father decided he wanted to get rid of what he had left and so has been enjoying his fire pit a lot lately.'
[EX A]: Yes

[EX Q]: Context: 'That sound cool, I mean cold. 🙂' 'It will be. And I'm grateful that you recognize the need! Will you do me a solid by permitting me to have these provisions?' 'I can give you 3 firewood, but only 1 food and no water.'
Utterance: 'Good gravy! I will need to cancel the expedition if that's all you have to spare. Can you surely do no better?'
[EX A]:
Yes

