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: 
Utterance: 'Hi. I'd like to have all the food packages for my children and two of firewood. Will you accept it🙂🙂🙂'
[A]: No


[Q]: Context: 'We can do the 3 for 3 trade.  That works perfectly!  Its' going to be cold at night where I'm going.  What's it like where you're heading?' 'It's going to be pretty warm where I'm going, but it's also variable. How do you feel about you get 2 wood and I get 1?' 'That's mighty kind of you.  We have a deal!  I'll take the 2 wood and you get 1.  Thank you.  You'll also get the 3 packages of food and I'll get the 3 waters.  Deal ?'
Utterance: 'Deal!'
[A]: No


[Q]: Context: 'Hmm ☹️ That does not leave me with much' 'In my team old age sicked peoples and kids are there so I need some extra.' 'Is firewood something you want the most? 🙂'
Utterance: 'Yes friend.Because we are going to a snow fall place so we need firewood the most.'
[A]:
Yes


