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: 'I was hoping to get alot of water as well, would you be ok with me getting two waters and three firewoods if you get all the food and one water?' 'Hmm, that's not favorable for me going by the volume of items left in my arsenal. Water is more of a higher priority than food. So, I would exchange 1 pack of food for an additional water' 'So that way you would get two waters and two foods? Those are my priorities as well but i would be ok with it since that way i would get five items and you would get only four.'
Utterance: 'Those are your priorities?? Then that's not fair for you. Then I take 2 water, 1 firewood and 1 food. This is the lowest I can offer'

Answer: Yes


Question: Context: 'I can have two food then and one wood and you can have the rest of the items' 'bro make it 3 food for me, u can take 3 fire wood  give me to water' 'you are not being fair, bare in mind we have same priority, so if you take all the food you have to give me the wood and water, or you can take all the wood and water and give me the food'
Utterance: 'you also not fare,you also not  ready to give a give offer, give me 3 food , remaining one firewood one water 3 1 1'

Answer: Yes


Question: Context: 'all the firewood will not work for me.okay you can have 2 firewood while i get 1 firewood,3 waterand 3 food' 'Are you near the woods? ' 'NO.That is why i will be needing at least 2 firewood so i can keep warm'
Utterance: 'You offered me 2 before, although I need all 3. Plus, you get all the food and water.🙂'

Answer:
Yes