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 🙂' 'Hello to you!' 'Food is the most important item for me because the food I brought has spoiled! Which item do you need the most?'
Utterance: 'I need water above all else.'
[EX A]: No

[EX Q]: Context: 'Since I got some food already, can I get 3 water, 2 firewood and 0 food then?' 'can we do at least one food? if thats okay with you? I would like to have extra food in case something happens, i will be able to have the extra supplies. ' 'ok, so list out the amount you need'
Utterance: 'water 3, firewood 2, and food 1, do you agree?'
[EX A]: No

[EX Q]: Context: 'What are your preferences?  I always love having a big fire at night when I am camping and I do think water is more important than food.' 'I like to have a lot of food to keep my energy up, but I might need some firewood to cook that food. I can't wait for my camping trip.🙂' 'I love camping also!  Yes, I can see how you would need firewood if you want to cook your food.  So, food is more important to you than water?'
Utterance: 'Yes, I will need a little water to wash that food down with though. Are you going to be needing a lot of water?'
[EX A]:
Yes