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.

Q: Context: 'I'm going to need some extra wood because I'm somewhat injured and can't really gather more.' 'Oh, I see. Well, I personally need lots of water to stay hydrated since I drank a lot already.' 'Yes, that's important. I don't need much.'
Utterance: 'The thing I need less, but still sort of want some of, is food.'

A: Yes
****
Q: Context: 'Hi . How is your camping trip going?'
Utterance: 'The trip is great, how about you?'

A: No
****
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.'

A:
Yes
****