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.

Input: Consider Input: Context: 'I am thinking I will want food most'
Utterance: 'Great! Food is not my priority but water and food is.'

Output: No


Input: Consider Input: Context: 'k, then 2 is for u 1 for me but i need remaining two as per my priority' 'What does that mean?' 'means water and firewood  i need majority then only it will balence'
Utterance: 'make firewood majority for me'

Output: No


Input: Consider Input: Context: 'Yes, that would be fair. How much of Firewood would you need?' '2 firewood and 2 food and 1 water.' 'I get it as you need more firewood for the additional package of food.'
Utterance: 'exactly, and forgot some of my extra wood at the house again.'


Output: No


