Definition: 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: Context: 'Hai friend I am fine what about you?me and my team going to trip on some snow fall place I want some help from you.' 'Well, let's negogiate friend! What interests you the most?' 'Okay. I need 3 package of fire woof and 2 pack of food and 2 pack of water.'
Utterance: 'Hmm ☹️ That does not leave me with much'

Yes