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: 'Hi there! How are you?' 'Hello good morning I'm well thank you.'
Utterance: 'Let's talk about what we need. First, I don't eat meat, so I really feel like I'd need a little extra food, as I couldn't hunt or forage for food at all. I feel like I could survive without a ton of water, but would need water, as I hike a lot and cant trust any sources'
[EX A]: No

[EX Q]: Context: 
Utterance: 'Hello there! I look forward to striking up a deal that's good for both of us. 🙂'
[EX A]: Yes

[EX Q]: Context: 'I do have a little hike planned, so the water comes in handy. I am more excited to relax and fish' 'Well I want to go run the trail, but like to check it out first. Perhaps we could walk one together. perhaps in a couple moments we could fix the supply situation .' 'Yeah, that would be fun. '
Utterance: 'Well, why dont you propose how to divvy up the packages and we can get on with out camping?'
[EX A]:
No