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.
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Question: Context: 'Hello - I would love be able to split some supplies with you🙂. I could use some extra firewood so maybe i could take 3 and maybe you could have some extra food? ' 'Maybe I could take 2 firewood 2 food and 0 waters?' 'I was planning on staying up all night and keeping my fire going all night.  Honestly I could give you all the extra food if that helps you if I could please have the 3 firewood?  We could split the waters'
Utterance: 'I'll only give you all the firewood if you give me everything else. I know it's your top priority😮'

Answer: No


Question: Context: 'I'm thinking I'l get 2 firewood, and 2 water and 1 food. I'm not sure what you need, but we can figure it out. '
Utterance: 'my highest priority is water, i need it to stay hydrated from the camping beers'

Answer: Yes


Question: Context: 'Since you are getting two firewoods I need two foods Let's deal on this.' 'Ok. Then how about I get two waters. I need the food, too. I got four mouths to feed. ' 'You can have 1 water.'
Utterance: 'Ok. So then let's see. 2 firewood for me, 1 food for me, 1 water for me. 1 firewood for you. 2 food for you. 2 water for you. Does that sound good?'

Answer:
No