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 would propose that I get 1 water, 1 food and 3 firewood and you would get 2 water and 2 food' 'I don't mind the division but I would like a pack of firewood added because my family of 7 consume this item as well during the day & night' 'you would have to give more items up to get firewood. if you get more water, which is our highest item, i need more of other items'
Utterance: 'How about 1 water, 2 food and 2 firewood?'
[A]: No


[Q]: Context: 'Im not as good at you at foraginf for food and water i probably dont have the experience as you do being in the outdoors and living off the land.🙂' 'With the extra firewood, you can hunt for fish and other animals outside to thrive' 'i cant hunt if i dont have the proper nutritional value to make sure i can make it that long.  how about i get 2 firewood 2 water and 1 food you get the rest'
Utterance: 'Hmmm, how about this, you will get 2 firewood, 1 food and 1 water to start with?'
[A]: No


[Q]: Context: 'Me too. I am not good at hunting or fishing. So I generally try to take extra food' 'Haha I suck at those activities as well. I don't usually don't eat a lot, so I'm happy to exchange some food supplies for water supplies. ' 'I would be willing to do that. What do you propose?'
Utterance: 'I get 2 water, 1 food and 1 firewood, you get 1 water, 2 food and 2 firewood. '
[A]:
No