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! I'm so excited for this camping trip. What do you still need as your supplies?'
Utterance: 'I think food, water, and firewood are all going to be fairly important.'

Ex Output:
Yes


Ex Input:
Context: 'You are being very kind then, im elderly so trying to make fresh water by boiling it from getting it from a river was concerning to me. How about you take all three of the food for your kiddo's' 'That sounds fair. The kids can bathe in the stream. We are good with 2 food packs.' 'Lol, wish i could. Then you take all 3 of the firewood, I'll take 2 of the Water and 1 of the food, sound good?'
Utterance: 'Just to be clear, I get 3 firewoods, 1 water and 1 food. You get 0 firewood, 2 waters and 2 food packs?'

Ex Output:
No


Ex Input:
Context: 'Hello' 'HI how are you today?'
Utterance: 'Good. I am diabetic so would like to take 3 of the food'

Ex Output:

Yes


