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: 'Hello! Which item do you need the most?' 'I would love to have the Firewood the most. ' 'Unfortunately I need firewood the most too. How about I take 2 firewood, 2 food, and 1 water?'
Utterance: 'I feel that I am not getting a fair deal. '

Output: Yes


Input: Consider Input: Context: 'Hello. How are you today? 🙂' 'Pretty good!  I am looking forward to going on this camping trip with my family.' 'Same here! We had a couple bumps in the road though, as our freezer stopped working so all our food went bad ☹️'
Utterance: 'That is rough ☹️  We should try to split the resources equitably then'

Output: Yes


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