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: 'Cool! 🙂  It's a good number, we are planning on 10, but you never know on these.  What I do know is this group loves to eat and hike, plus it might get a little chilly.' 'yeah, i understand that. we are all apart of a weigh watchers group ao we' '😮 Been there and done that.  It's great when you can start to see the change in their self esteem!'
Utterance: 'yes, for sure starting to see results, id be more than happy if i could get two or three waters and at least one or two firewood '

No