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.

Context: 'Hi there - how are you today?' 'I'm doing well.  How are you today?' 'Pretty good. Just hanging out with our group. Looking forward to this upcoming camping trip. It's a college reunion weekend. '
Utterance: 'Oh.  That sounds fun.  I'm getting ready to go camping with my family next weekend as well.  It will be the first time that my kids have gone camping with me.'
No

Context: 'Hi! How are you?' 'I am fine. How is your camping trip going?' 'I'm just finishing the final details of packing. I'm a little concerned I don't have enough of a few things. It is supposed to be over 100 degrees where we are going, and I don't think I have enough water. I'm concerned my kids are going to get dehydrated. I really could use 3 extra packages. '
Utterance: 'That will not be possible i am afraid. I need at least 2 packages of water too. I have some tabs that i have to take with water regularly.'
Yes

Context: 'Hello!🙂' 'Hello, how are you?'
Utterance: 'I'm fine, let's talk about how we can come to a fair deal.'

Yes

