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.

[EX Q]: Context: 'How about I do: 2 firewood, 2 food and 1 water?' 'Well, what would it take for you to give up extra wood? ' '3 food and 2 water'
Utterance: 'ok let's go with that. you take 3 food, 2 water and 1 firewood, let's make it happen that way and move on with camping ! '
[EX A]: No

[EX Q]: Context: 'I'm thinking I'l get 2 firewood, and 2 water and 1 food. I'm not sure what you need, but we can figure it out. ' 'my highest priority is water, i need it to stay hydrated from the camping beers' 'Who doesn't? I need more wood. I'm skinny. I get cold easily. Beer hidrates dude 🙂'
Utterance: 'ha no prob on the wood, its out there in nature so i can do with less of it hows 3 water, 1 food, 0 wood sound'
[EX A]: No

[EX Q]: Context: 'I am a water junkie day to day but the place I am camping as a stream and I'm taking my water filter system, so I could offer you extra water in this case.' 'That is very considerate of you. 🙂' 'I see the proposed deal. Unfortunately, if you are going to take all the firewood. I will need more food and water.'
Utterance: 'that is totally understandable. Let me see what I can do 🙂'
[EX A]:
No