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: 'True. 🙂' 'Seems like we'll be struggling to see who gets the firewood most of all haha' 'No, I like a little firewood.'
Utterance: 'Same here. I need it to cook my vittles 🙂'
[A]: No


[Q]: Context: 'Is that what you want or what you are offering?' 'That's what I'm offering to you, but I think it's a fair deal, so I'd accept it myself, too.' 'Fair enough.'
Utterance: 'If that sounds good, just tell me which bundle you want.'
[A]: No


[Q]: Context: 'no, best i can offer is i get 3 firewood, 2 water and 1 food' 'No thanks.☹️' 'ok, last deal, i get 3 firewood, 1 water and 1 food'
Utterance: 'That sound fair to me since I will need plenty food and water for my climb.'
[A]:
Yes