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 uv-part strategy, otherwise output No. uv-part is a selfish negotiation strategy. It is used to undermine the requirements of the opponent. For instance, suggesting that the opponent would not need more firewood since they already have the basic supplies or a suggestion that there might be a store near the campsite where the opponent can get the supplies instead.

Ex Input:
Context: 'There is no point in walk away. This deal should be done mutually and beneficial for both. So its better I will take 2 food packages, you can take 1 food package, 2 water and 3 fire wood .Hope this will definitely work for you.' 'No i absolutely need 2 food packages and 1 water. How about we do it like this... You take 1 food package, 2 waters and 2 firewoods. Does that work for you?' 'Sorry to bother you, I don't need anything other than food package. So better you could give me 2 food package and take 3 water and fire wood. Please consider this deal.'
Utterance: 'No i absolutely need 2 food packages. So if you cannot agree to take 1 food 2 water and 2 firewood i will walk away.  If you have children with you would would also need water which you are not asking for. '

Ex Output:
Yes


Ex Input:
Context: 'Alright, I think that's agreeable to me too. I really appreciate it, that means a lot to me and my family.' 'How many family members do you have? ' 'Me, my wife and our two kids.'
Utterance: 'I could use 1 package of firewood if your family has other heating options like a butane food cooker.'

Ex Output:
Yes


Ex Input:
Context: 'Hi! I am interesting in claiming all 3 of the water, as well as 2 firewood and 1 food. Does this work for you?' 'No I need more firewood' 'Okay, can I ask why the firewood is important for you? 🙂'
Utterance: 'You can find more wood in the forest but I'm going somewhere where there's not a loot of trees ☹️'

Ex Output:

Yes