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.

Q: Context: 'I am so excited to go camping!  I am planning a nice long walk in the woods to decompress from the hectic days of working.' 'I am too.  I've been thinking of this since COVID.  I hear we have some materials to share between the two of us.  What are you thinking?  For me, I am from the South so I get cold easily 🙂 so firewood is my main priority.'
Utterance: 'Perfect!  I'm a northerner, so the firewood is all yours!  I'll need lot's of water to keep hydrated after the hike, and I'll probably be pretty hungry too.'

A: No
****
Q: Context: 'I want a lot of water my friend. I will be hiking and what I hav is not enough' 'ok, but i want 2 pack of food, 2 pack of water and 1 pack of firewood' 'I also want 2 water. Then I can take 1 from the other items.'
Utterance: 'ok fine '

A: No
****
Q: Context: 'Oh ok, that will be great. How about the water? Is 2 for me and 1 for you ok?' 'How about 2 for me 🙂' 'I have 3 kids with me who are always thirsty but we can negotiate for it'
Utterance: 'Ok. Thats fine'

A:
No
****