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: 'hello, so what is your most important thing that you want? ' 'my priority is firewood. What's yours?' 'me and my gals thing that firewood is important also but we actually want water'
Utterance: 'We can figure something out. Would you rather have 3 water and 0 firewood or 2 water and 1 firewood?'
[EX A]: No

[EX Q]: Context: 'I'm going to need some extra wood because I'm somewhat injured and can't really gather more.' 'Oh, I see. Well, I personally need lots of water to stay hydrated since I drank a lot already.' 'Yes, that's important. I don't need much.'
Utterance: 'The thing I need less, but still sort of want some of, is food.'
[EX A]: Yes

[EX Q]: Context: 'You're good with the extra water and firewood?' 'yes extra water and firewood of my self.' 'Perfect. So I'll submit 2 food for me, 1 water, and 1 firewood?'
Utterance: 'i have good thinking most of water must.'
[EX A]:
No