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.

Context: 'So do we. My kids are on meds so they need a lot of water and food' 'Which one do you prefer most?' 'They sort of need more water for their meds'
Utterance: 'I'm sorry to hear that! But can you spare 1 for me since you probably don't need all the water.'
Yes

Context: 'Impossible. I will need to cancel the trip altogether.' 'How about I take 2 packs of water while retain your initial request for food and firewood?' 'I cannot allow any water. As I mentioned we will be camping away from all bodies of water and cannot negotiate on that item. I need 3 water, or else I will need to cancel the trip. We might be able to negotiate on the food though.'
Utterance: 'I need to have at least a pack of water. How about 1 water, 3 firewood and 1 food?'
No

Context: 'I would like 2 of the firewood. What do you think? ' 'I don't need wood as I am usually warm so I think we can work out a deal. I like to have more water and I usually get thirsty.' 'That sounds good to me. 🙂 I think we can make a good deal.'
Utterance: 'I can give you 3 wood packages if I can get 3 water and 2 food. So you will receive 3 wood and 1 food. What do you think?'

No