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: 'Hi, What is decision about packages?' 'I was thinking I will take 2 food, 1 water, 2 firewood'
Utterance: 'I would like to share 1 food, 1 water and 2 firewood with you. Can you accept the deal?'

Ex Output:
No


Ex Input:
Context: 'i can do that for you, in on a diet anyways and already have a stock ive been working on since fall' 'oh well that's fantastic, so let me know what your deal is' ' 3 on food, 1 on firewood and 1 on water😮'
Utterance: 'Thats what your deal is or my deal, cmon man!'

Ex Output:
No


Ex Input:
Context: 'Hi, I'd like to take all of the food and 2 of fire wood. You can have the rest.' 'I really need food too so if I can have 2 packages of food you can have 1 package of firewood and all 3 of the water.'
Utterance: '😮That does not work for me. May I have 3 packages of food and one package of water. You can have the rest.'

Ex Output:

No