Definition: 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.
Input: Context: 'Hey hi, nice getting to interact with you. I'm doing good, thank you. Wish it's the same with you. I get dehydrated quickly and need additional packages of water.' 'we both have the same high value priority. what is number 2 for you? thanks' '🙂 Food'
Utterance: 'me 2 lol, what if you got 2 of the water and me 1 but then i could do 2 of the food and firewood and things would kind of even out with that arrangement.'

Yes