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.

Context: 'Hello, how are you doing today?' 'Very good. How about you?'
Utterance: 'I'm doing well. I'm looking forward to going on my camping trip but will need some additional items to make sure the trip is safe, healthy, and enjoyable. '
No

Context: 'Hello, what do you expect from me?' 'Hi! I'm really excited for the camping trip, but I guess can we talk about it first? I don't think we're supposed to rush into a decision.'
Utterance: 'Okay, What did you thing about the camping trip?'
No

Context: 'Hi! I like to hike so I really need more water. Could I take 2 packages of water and 1 of food and 2 of firewood?'
Utterance: 'I am ok with the water, i just would like one water and one food, but i would appreciate two firewoods, i get cold at night  '

Yes