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.

[Q]: Context: 'i'll take 2, you can have 1? ' 'Firewood is my second priority. Can I have 2 of firewood?' 'okay🙂 is it cold so you want firewood?'
Utterance: 'Yes, I get cold easy. Thanks a lot!'
[A]: Yes


[Q]: Context: 'Yeah, I want to make sure i am prepared. What do you think are the bests options?' 'Well i would really like to have extra firewood since i am afraid of the dark and i don't need extra water so i was hoping you would want to trade that' 'Yes, I think that sounds like a good option. I personally could use more food. I like to eat. '
Utterance: 'how do you propose we split the food then?'
[A]: No


[Q]: Context: 'Do you have any preferences in regards to the firewood, food, and water? I would like us both to get what we need.' 'I get really cold at night so I'd like to have extra firewood. ' 'Same. Plus I am planning on keeping a fire long into the night. Eating alot of food also helps keep you warm while sleeping. Perhaps I could offer you some extra food in return for some extra firewood?'
Utterance: 'Hmm I will have to think about this offer. How do you feel about the water packages?'
[A]:
No