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.

Context: 'Hello' 'hello, so what is your most important thing that you want? '
Utterance: 'my priority is firewood. What's yours?'
No

Context: 'I will offer 3 water to you! You will maybe need more food with that much exercise? How about 2 food? I really need that extra firewood. Remember that the Catskills probably has some extra wood around.' 'That works for me, you can have the firewood then!' 'Alright that sounds great. '
Utterance: 'Great! so, for you, 2 wood, 1 food, me 3 water 2 food'
No

Context: 'I do too.' 'Can you give me your offer?' 'I would like 3 firewods 1 food and 1 water we stay up late and need extra firewood'
Utterance: 'Oh thats expensive .There's too much cold out here and thats our major package for survival '

Yes

