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.

Example Input: Context: 
Utterance: 'I would really like some extra firewood to keep the chill off on those cold  nights.🙂'
Example Output: No

Example Input: Context: 'That is fine since there are 3 wood and I want 1. ' 'Then it is good deal.  I need two wood, 1 food, and 1 water.' 'I really need all the food, I have a lot of people to feed'
Utterance: 'I will provide you the food, but I am asking only one for my people.'
Example Output: Yes

Example Input: Context: 'Can you explain yourself better? What you need the least is food?' 'i mean i will be needing 3 water 2 firewood and 1 food' 'I can't give you that since it wouldn't be fair to me, I'll give you a better offer. I get 3 food 1 water 0 firewood and you get 0 Food 2 water and 3 firewood and 2 fire'
Utterance: 'no am not accepting that 2 water 2 firewood and 1 food'
Example Output:
No