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.
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Question: Context: 'That sounds awesome - I'm sure we can come to an agreement on how to allocate that works for both of us.  ' 'I agree that we will! I do love having food as well. Have lots of people coming.' 'I'm not as keen on food, so how does this sound.  I get 2 firewood, 2 waters, and 1 food.  You will get 2 food, 1 firewood, and 1 water. '
Utterance: 'Hmm, you're getting my top item there though. That still might work.'

Answer: Yes


Question: Context: 'We can definitely work something out. I'll be sure it'll benefit you more than me. 🙂' 'Oh, well that's really nice of you. What do you propose?' 'You'll get 3 food and 2 water, and I'll take 3 firewood and 1 water. 🙂'
Utterance: 'Hmm, I think that could definitely work! Appreciate it 🙂'

Answer: Yes


Question: Context: 'Hello how are you today? 🙂 Do you have any initial ideas on how to split everything? ' 'I was thinking maybe I could have a majority of the fire food and you can have a majority of the water and food. ' 'What exactly do you mean by majority? As in everything ?'
Utterance: 'I was more thinking 2 Firewood for me , 1 food and 1 water? The rest would be yours.'

Answer:
No