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.
--------
Question: Context: 'How are you today? Did you have any preferences on the supplies we will be trading?'
Utterance: 'I am good. How about yourself? I think I would like some firewood to start off with. We like to have bigger fires. What about you?'

Answer: Yes


Question: Context: 
Utterance: 'Looking forward to the trip.  They gave up the bare essentials but I could really use some extra supplies.🙂'

Answer: Yes


Question: Context: 'I get dehydrated quickly, so given my condition, I'm not able to compromise on water.' 'okay well I will take 2 foods and 2 firewoods then ' 'Thank you so much for understanding, I'm fine with that.'
Utterance: 'I guess that works out good because I need firewood to cook the extra food'

Answer:
Yes