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: 'Can you spare some water? I need to take medication and I have run out.' 'Hi there, that sounds important. Yes, we can make sure you get some water. How does 1 package sound?'
Utterance: 'I'd rather have 2, can give you all of my food for all of your water?'
[A]: No


[Q]: Context: 'Hello there.' 'hiii'
Utterance: 'So in order to fully enjoy my on this trip while surviving, I will require mass quantities of food.'
[A]: Yes


[Q]: Context: 'That is so nice of you. Being that you have family, you might need more firewood for cooking for the crew! Do you agree? And how many kids are you traveling with? ' 'I have 2 kids and want to make sure they stay warm.  The firewood will go a long way in keeping them comfortable.' 'I am leaving my little ones home. I feel a little guilty but am going forward with the plan! So, I input our order that you guys receive 3 food, 2 firewood, and no water. Are we in agreement?'
Utterance: 'Yes. That sounds fair to me.'
[A]:
No


