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, do you have any interest in any fire wood?' 'I do need firewood, we cook over open flames. 😮How you get 2 water, 1 food and 1 firewood?' 'How about if I give you 3 food for 3 waters, and then we split the firewood?'
Utterance: 'I do require at least one water, hiking is very physical demanding. Also there are 3 firewoods?'

Output: Yes


Input: Consider Input: Context: 'I am good, let's plan our camping trips. I am diabetes, so water is very important to me. what about you?' 'I need water too' 'what is the next thing you need the most/?'
Utterance: 'firewood to keep the body warm '

Output: Yes


Input: Consider Input: Context: 'I do.  I have been looking everything over and feel this won't be to hard to come to an agreement' 'Well my camp places a premium on water.  How would you feel about for me: 2 water, 1 food, 1 firewood?' 'I think we're on the right track.  I am bring my 2 kids with me and they eat everything in sight.'
Utterance: 'Would they be okay with 2 food?  Otherwise can give you an extra and I can take either an additional water or firewood 🙂'


Output: No