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: 'I need a lot of food today. I was advised to eat at least 4 times a day so i may need all the food packages.' 'Well that is not going to work well for my family of 8 now is it? Haha. I think we can come to some sort of agreement though.🙂' 'What do you propose?'
Utterance: '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.  '
[EX A]: Yes

[EX Q]: Context: 'hi' 'Looking forward to camping' 'same, i love to camp'
Utterance: 'What do you need most when camping? I hate splitting wood, so  I need firewood'
[EX A]: Yes

[EX Q]: Context: 'We place a premium on the water.  That's the same amount of water, do you mean we take 3?' 'I do need some extra water.  So I will need to take 1, but our preference is food and we would need firewood to cook it on.  if you're OK with this, I will submit it.  Its a great deal I think and we'll both get what we need' 'my counter then is 2 water, 1 food, and 2 firewood for us and we are set 🙂'
Utterance: 'We're really going to need that extra firewood.  We'll need the heat source, but also for cooking.  It a big deal that I get the extra wood, I hope you will understand why I need it.'
[EX A]:
Yes