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 Input:
Context: 'Hello my friend! Are you ready to go camping?' 'Getting there, just need some more supplies to be safe.' 'Got you! I really need firewood to make smores and I don't think we have enough to last the whole night!'
Utterance: 'I was hoping to pick up a lot of wood. It has rained around here and the wood is soggy in the forest.'

Ex Output:
Yes

Ex Input:
Context: 'Your needs are like mine. I have a condition that require me to shower quite often. It is a shame but if I do not shower for 3 hours I will stink. ' 'Well fortunately if you are camping that won't be too bad. You'll blend in with the wilderness.' 'My friends will run away. I will not be comfortable either. So how do we split what we have?'
Utterance: 'If they're true friends, they won't. I'll take 2 firewood, 2 water, 3 food.'

Ex Output:
No

Ex Input:
Context:
Utterance: 'Hello, great to see a fellow camper. Planing on doing any hikes. My family and mother-in-law are down getting some new trail maps. We are looking forward to the long camping weekend. Our bad luck was the airline loss two of our bags that had our food and water. So i am hoping to get some more.🙂'

Ex Output:
Yes