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.
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Question: Context: 'That wouldn't work for me, I will be going hiking during camping, so I need all of the water I can get' 'Well then maybe we can just do a trade, the water to you and the food to me.  And if I got two of the firewood, I'd have plenty of time to just boil and purify some riverwater instead' 'That does not seem entirely fare but I need more water so I will take this deal'
Utterance: 'It's honestly not that fair to me either, but sometimes we just end up with slightly conflicting priorities in life.  🙂  I think making the best of the situation is the way forward.'

Answer: Yes


Question: Context: 'I know this isn't your problem, but I'm a student and I had to come up here to take photos of the night sky for my astronomy class. I slept really late today as I have to sit up all night to get the different stars, and possibly even the space station if it's clear enough out. I have to sit by a fire to stay warm so I can get these pictures to hand in to my professor tomorrow.' 'You know that is very impressive.  I admire your determination and effort you put into your class.  You must be very passionate about astronomy.' 'I am. My favorite personality is Neil DeGrasse Tyson. He's amazing, funny and incredibly smart. I'm hoping to get an internship at the Planetarium in my senior year 🙂'
Utterance: 'That's amazing!!!  So here is the deal...I'll give you the 2 firewood packages so you can sleep under the stars tonight.  In return I'll have to keep 2 water packages and 2 food packages since I won't be able to cook all of this fish and I still have a family to feed.  '

Answer: No


Question: Context: 'I understand where you're coming from. I would really need the most water. ' 'I am willing to give you the most water if I am able to have the most food.' 'Well I need some food because what if I get lost as well? '
Utterance: 'I understand that, but walking away with the most food and the most water would essentially leave me for dead lol. Do you prefer water or food? '

Answer:
Yes


