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: 
Utterance: 'Hi! I'm exited to negotiate a deal with you today. How are you doing?'
[EX A]: No

[EX Q]: Context: 'Hi there! Hope your day is going well 🙂' 'Doing great!  How about yourself?' 'Pretty good, Monday's are always bit of a struggle though! '
Utterance: 'Tell me about it!  With this pandemic it seems like all days are Mondays 🙂'
[EX A]: No

[EX Q]: Context: 'Hello.' 'Hello there, fellow camper!  🙂' 'I would like 3 packages of food, 2 packages of firewood, and 1 package of water.'
Utterance: 'That's not going to work for me at all, I would like 3 packages of water, 2 packages of food, and 1 package of firewood'
[EX A]:
Yes