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.

[Q]: Context:
Utterance: 'Hello, great to see a fellow camper. Planing on doing any hikes. My family and mother-in-law are down getting some new trail maps. We are looking forward to the long camping weekend. Our bad luck was the airline loss two of our bags that had our food and water. So i am hoping to get some more.🙂'
[A]: Yes

[Q]: Context: 'What do you propose?' 'I really need food too, but I am willing to deal and let my kids go hungry I guess ☹️ I propose I get one food, 3 firewood and 1 water. ' 'Will you please give me one firewood? I may run out of what i have. Just one.'
Utterance: 'I think I will need all the firewood since you are taking 2 foods. I will need to hunt and cook food from the land meaning I need my fire going all the time.'
[A]: Yes

[Q]: Context: 'well how about i get 2 water, 2 food and 1 firewood' 'Here is the offer. For you: 3 water 0 food 1 firewood' 'what about instead of firewood, I get 1 food, so it will be 3 water, 1 food and 0 firewood'
Utterance: 'Ok so 3 water 0 firewood and 1 food, I can work with that'
[A]:
No