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: 'I could use some more water as I get dehydrated easily. Since you have enough, I could give you and extra package of food for your water.' 'That sounds like a deal, what would you like to do as far as the firewood goes?' 'I really need to keep warm with my not so good sleeping bag.☹️ I would be willing to do this. I get two packages of firewood and three packages of water and I will give you two packages of food and one package of firewood. You have plenty of water so you will not miss that.. '
Utterance: 'This sounds good to me, unless you would be able to part with three packages of food?'

Ex Output:
Yes


Ex Input:
Context: 'How about I get 3 firewood, and you get 2 food AND water? We both win with that, I think.' 'So now you need 3 firewood with 1 food. Am I correct?🙂' 'Yes, that sounds fair to me. Although I would be willing to take a water if you're offering it, I am not quite as lucky with water. ☹️'
Utterance: 'How It will be. you already told that, you have lot of food with you. So can you please think how it will be. you can take all 3 firewood with 1 water and I will take all 3 foods packages and 2 water.'

Ex Output:
Yes


Ex Input:
Context: 'I could too, I am a little short on a few things!' 'My biggest concern is water.  I could really use more.  That and some extra food.' 'My biggest concern is food and then water. '
Utterance: 'I'm going to need quite a bit more water, at least 2 packages.  I would like at least 1 food. What do you think?'

Ex Output:

No