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 need the firewood and the food, you can have all the water.' 'no i need firewood to always keep myself warm.'
Utterance: 'So do I, I have health issues.  I can give you one firewood, if I get all the food. '

Output: Yes


Input: Consider Input: Context: 'I dont need the firewood as much. ' 'That is great for me. I guess i will take all three.🙂' 'sure what other preferences would you like '
Utterance: 'I need a lot of water too. Thank you for understanding.'

Output: Yes


Input: Consider Input: Context: 
Utterance: 'Hello, how are you? 🙂, we are excited to go camping for 2 weeks. I was wondering, if its okay with you, if I can get all 3 waters? what are your thoughts? we have a large group, lots of kids, need the extra water for cooking, putting out camp fire, and keeping all of us warm at night. '


Output: Yes