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: 
Utterance: 'hy thats my offer'
[EX A]: No

[EX Q]: Context: 'Great! Food is not my priority but water and food is.' 'awesome, you can have 3 water and i'll take 3 food?' '🙂 I am fine with it. How about the firewood?'
Utterance: 'i'll take 2, you can have 1? '
[EX A]: No

[EX Q]: Context: 'I would prefer 2 food and less firewood. There is tons of firewood where I am but there is no lake so I can't fish. No berries around here either. It's pretty scarce' 'okay is 2 food 1 firewood okay for you while i get 1 food 2 firewood and 3 water' 'I'm going to need some water as well. How about 2 food, 2 water and 0 firewood for me?'
Utterance: 'okay i agreee with you so u can have 2 food 2 water while i get 1 food 1water and 3 firewood.is that a final decision?'
[EX A]:
No