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 vouch-fair strategy, otherwise output No. vouch-fair is a selfish negotiation strategy. It is used to call out fairness for personal benefit, either when acknowledging a fair deal or when the opponent offers a deal that benefits them. This can be through an explicit call out or can be implied.

[Q]: Context: 'Kindly understand our need as we are struggling with hunger now.' 'At the same from my side. We need foods because my child is hunger' 'We with our kids undergone fasting in the recent days, so we are hungry to the peak'
Utterance: 'What did you expect from me? Because same position is here also'
[A]: No


[Q]: Context: 'oh my are you going somewhere cold? I could use the water, I am going on a charity event with kids from the Make A Wish foundation. Its going to be their first time!' 'Ok I will give you 3 waters if you give me 3 firewood' 'sure i can do that, what about the food then? how much food would you need for the tip?  can you hunt where you are going?'
Utterance: 'I am up to u '
[A]: No


[Q]: Context: 'You can have most of the water and firewood if I can have most of the food. I would like to get two of the firewood so I have a nice fire to come back to after searching for a source of water.' 'How about I take all off the water, 1 firewood and 1 food package? 🙂' 'You can have all of the water if I can have all of the food. I promise that I will bring you back food. I am really good at foraging and I know all about what is edible in a forest 🙂 I want to have two packages of firewood so that I can have a roaring and hot fire going when I come back from being out all day. I am sure that I will find some fish to catch at my water source! 🙂 I'll bring some to back to share with you!'
Utterance: 'Thank you, I would appreciate that and it is very generous of you, Im not a strong hunter or fisher at all :) '
[A]:
No