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: 'Great thank you. I am looking for primarily some firewood and food for my camping trip soon. ' 'I'm going camping too and also need food and wood, mostly food though' 'Okay I understand that! Is there a particular reason that you do not need much water?'
Utterance: 'I figure I could always get some at the stream 🙂'
[A]: No


[Q]: Context: 'I am well; I love going camping. I really enjoyed my time in Boy Scouts and look forward to practicing what I learned to good use' 'That is awesome. I brought extra firewood if you need some. My brother forgot to pick up the water when he left town and now is 15 mins away. Do you have any you give?🙂🙂' 'I would love some extra firewood; however I need some extra food too. I have diabetes and it's important that I have more food for later'
Utterance: 'O wow.☹️ I'm sorry to here that. I can give you all my firewood and a food if you can give me all your water. '
[A]: No


[Q]: Context: 'Hello' 'What kind of items do you need?  I especially need water because I would like to do extra hiking and would need to hydrate.  ' 'I need all three, but need food the most'
Utterance: 'I would give you all of the additional food if you gave me all of the additional water. '
[A]:
No