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: 'Thank you.  WOuld you be willing to give me all the food?  I would give you all the water and 2 firewood.' 'I can give you all the food and 1 water. I get all firewood and 2 water.' 'I need at least one firewood to cook my food.  Can you give me one firewood for all the water?'
Utterance: 'I'm sorry. I won't be able to do that.'
[EX A]: Yes

[EX Q]: Context: 'hi there' 'Hello.  How are you?' 'not too bad, looking forward to a good camping trip 🙂'
Utterance: 'Yes!  This camping trip is going to be great!  I hope to make it very memorable.'
[EX A]: No

[EX Q]: Context: 'Hello there 🙂'
Utterance: 'Hello, I hope we can work together on an offer that benefits both of us. Do you think it's OK?🙂'
[EX A]:
Yes