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.

Example Input: Context: 'I need 3 food packages as it is required to feed children who visited unexpectedly. Instead you can take water and firewood' 'No that doesn't work for me. I also have children with me. 4 children in total.  how about i take 2 food packages and 2 water packages and you take 1 food 1 water and 3 firewood packages.' 'I too have the same issue. I am also asking for children only , better you could accept 1 food , 2 water and 3 firewood, I hope this deal will work out for you'
Utterance: 'I need at least 2 food packages and at least 1 water. I can live with out any extra firewood.'
Example Output: No

Example Input: Context: 'Im not as good at you at foraginf for food and water i probably dont have the experience as you do being in the outdoors and living off the land.🙂' 'With the extra firewood, you can hunt for fish and other animals outside to thrive' 'i cant hunt if i dont have the proper nutritional value to make sure i can make it that long.  how about i get 2 firewood 2 water and 1 food you get the rest'
Utterance: 'Hmmm, how about this, you will get 2 firewood, 1 food and 1 water to start with?'
Example Output: No

Example Input: Context: 'I get cold pretty easily. Extra firewood would help me stay warm. And if I give up all food, I'll need another way to keep my body warm.' 'okay how about if i only get 2 food packages and i give you 2 firewood. So we both gets something to help us/ Because i to at least 1 firewood' 'That would work for me if I get all 3 water still'
Utterance: 'How about you get 2 of the waters an i would take 1 of them? I need some water to stay hydrated '
Example Output:
Yes