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.

Input: Consider Input: Context: 'Tell me about it!  With this pandemic it seems like all days are Mondays 🙂' 'Too true! Anyways, what is the item that you prefer the most for this camping adventure? 🙂' 'Firewood, how about you?'
Utterance: 'Oh, firewood as well! It's not a camping trip if you run out of firewood in just a few nights! I would hate to be cold '

Output: Yes


Input: Consider Input: Context: 'Great, this is going to be a fun trip. So I get 2 water, 2 food and you get 1 water, 1 food and 3 firewood?' 'Yes, I cant wait to set off. It sounds like you have it all correct. I hope we both have a great trip. ' 'I hope it doesn't get cold out since I won't have any firewood. You need it more than I do though, so you should have it all.'
Utterance: 'Thank you. I hope I don't run out of water. I get dehydrated easily but I want us both to be comfortable. '

Output: Yes


Input: Consider Input: Context: 'Hey!  I hope you're having a good week and staying well.  So we are negotiating on supplies! 🙂' 'Yes. Hoping we can make a good deal.'
Utterance: 'Me too!  I'm hoping for two food items and one water.  I'm diabetic so if my blood sugar drops, I may need the extra carbs.  And water because water is important! 🙂 '


Output: Yes