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: '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?' 'I get 2 water, 1 food and 1 firewood, you get 1 water, 2 food and 2 firewood. '
Utterance: 'You know what that sounds extremely fair. I would accept that offer'
[A]: No


[Q]: Context: 
Utterance: 'Hi!'
[A]: No


[Q]: Context: 'Sure, I want to make sure I have one firewood at a minimum. ' 'What would you want in return?' 'I like to eat.  I think extra food is good.  Are you willing to let me have all three food packs? 🙂'
Utterance: 'I would want to keep at least one packet of food for myself, unless you want to just swap 3 firewoods for 3 packets of food, to keep it simple?'
[A]:
No