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.

Input: Consider Input: Context: 'Your two youngest kids are working? How old is everyone? If there's a lot of people, it will be easier to split up the duties and get things done. My son's 3 years old so as much as he's eager to help, there's not much he can do lol.' 'Ha Ha...no my too youngest have hardly been anywhere because of us adults working,  I have teens (17, 15), tweens (13) and littles (10, 7). We 3 boys and 3 girls. We have a 21 year old but he's in a band so h can't go. They all pitch in anytime. They eat a lot so they have to cook from scratch at home. Awww 3 is so adorable...that's when they are sure they can do and will work so hard! ' 'Home cooking's the best, yumyums! We're planning on doing a lot of fishing since my son's been in love with fishing toys and is currently in love with eating fish (he hasn't gotten tired of eating it every night for dinner). We're thinking of cooking what we catch every night. Do you have any activities planned for your camping trip?'
Utterance: 'Fishing is so fun! 🙂 We really don't have a plan... so many people, so many opinions. If you'll be fishing and eating your catch, you'll probably need more firewood than food. And with the filters, you will need some extra water, especially for your little guy. So would you agree that you take 2 firewood packages, 1 food package and 1 extra water. '

Output: Yes


Input: Consider Input: Context: 'k i need food as first priority' 'Unacceptable' 'why'
Utterance: 'I require the majority of food as I have explained.'

Output: No


Input: Consider Input: Context: 'Then you get two food and no firewood here.😮' 'You mean you can't let up one firewood for me?' 'Not this time, I really need all the firewood and food is a large need for my family of 8. We need the firewood to cook all our meals from the animals we hunt since we are short on food.'
Utterance: 'But these are only additional packages☹️'


Output: Yes