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 understand. I am unfortunately sick and need the warmth of the fire and water to take my medication or I will die very soon' 'You can have all of the firewood, we just need 1 water ' 'That is fair. Could I also have 1 food so I do not starve'
Utterance: 'what about your basic food rations?'

Ex Output:
Yes


Ex Input:
Context: 'hello' 'hi' 'In this extra package I need two food'
Utterance: 'wow that is a much'

Ex Output:
Yes


Ex Input:
Context: 'I would need additional food to sustain my energy for my hikes. Do you mind if I take two packages of the food? What are your thoughts? ' 'That sounds good to me.' 'Do you want any of the firewood? Would you be okay if I got two packages of the firewood? '
Utterance: 'It's been pretty cold at night.  Do you think you would be able to carry the two packages of firewood?'

Ex Output:

Yes