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.

[EX Q]: Context: 'no sorry i dont think so. i need some extra water because i only need a little food' 'Okay then. I can give up one for you. Will that be okay?' 'no i think i need 2 waters'
Utterance: 'That will be very difficult for me. I have a condition that requires water all the time.'
[EX A]: Yes

[EX Q]: 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. '
[EX A]: Yes

[EX Q]: Context: 'Hi buddy. How you doing today? 🙂' 'Great! I'm so excited to go camping this weekend!🙂'
Utterance: 'Me too!! Though it's over 100 degrees these days. 😡'
[EX A]:
No