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: 'I would really like some extra firewood to keep the chill off on those cold  nights.🙂'
Utterance: 'Me too. It has been rather cold lately! But I am also really interested in water.'

Output: Yes


Input: Consider Input: Context: 'I am good. How are you?' 'Doing good! Kinda slow today' 'I just started. Looking forward to your trip? I really need lots of water. I hope you will take that into consideration. '
Utterance: 'Yup I have water but need firewood to keep warm. My trip is going to be cold.'

Output: Yes


Input: Consider Input: Context: 'Hi - I'm so excited for our camping trip.  I'm most excited about getting to eat food that I normally don't when I am home'
Utterance: 'Ooh what kind of food?! Like MRE? I'm going to need lots of water because I'm going to the High Desert.'


Output: Yes