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: 'I am trying to gather supplies for the trip. What about you?' 'I am also checking my list and updating it. How is your progress going?' 'Its good! I am looking forward to the activites i'll be doing, such as campfires.'
Utterance: 'Hey, that's great. Good to hear definitely. I am also looking forward to build some campfires and enjoy some s'mores!'

A: Yes
****
Q: Context: 'no it is not enough for me, i need more water' 'How about you take 1 food, 1 firewood, and 2 water?' '2 food 2 water and 1 firewood will be good'
Utterance: 'I could agree to you taking 2 food, 2 water, and 0 firewood'

A:
No
****