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 Input:
Context: 
Utterance: 'Ireall would like the water as I forgot to bring it and would not be able to survive without it'

Ex Output:
No


Ex Input:
Context: 'hi' 'Hi how is it going?' 'It took a while to load but good.'
Utterance: 'Let's talk about how we can split the camping supplies'

Ex Output:
Yes


Ex Input:
Context: 'That's fine, I'll take 1. I think I have enough with what was originally given. ' 'Sounds good! So I get 3 firewood, 2 food, 0 water; you get 0 firewood, 1 food, 3 water?' 'That's sounds right. Thanks 🙂'
Utterance: 'Cool, I'

Ex Output:

No