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 self-need strategy, otherwise output No. self-need is a selfish negotiation strategy. It is used to create a personal need for an item in the negotiation, such as by pointing out that the participant sweats a lot to show preference towards water packages.

Input: Consider Input: Context: 'ok, if i get all 3 extra firewood, I'd be fine with getting 1 extra water while you get 2? food is a really low priority for me' 'Same here as well as I have carried enough but yes, I need firewood as most of y food requires cooking and specially my kids prefer having food hot.' 'Ok thats fair, I would prefer to have more firewood since I'm awful at collecting firewood while out. But we could be a more even split of it all. 2/1 for both. Do you need more water or more firewood?'
Utterance: 'I need more firewood, I can maage with 1 additional package of water.'

Output: No


Input: Consider Input: Context: 'Hi there, I am doing well, I can get you an extra firewood as long as I can get extra Water and Food to thrive during camping' 'I would be ok with that but i will need some water and food as Im a little out of shape' 'I can get you one package of water and food, will that work?'
Utterance: 'how am i supposed to stay alive with one package of food and water im fat lol'

Output: Yes


Input: Consider Input: Context: 'Good. How you doing buddy? 🙂' 'I'm doing pretty good. I plan on camping with the family this weekend, how about you?' 'Nice. Same, it's over 100 degrees where I live. 🙂'
Utterance: 'Yikes! It's a bit colder up here, that's why I would like to bring some extra firewood to stay warm at night.'


Output: Yes