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: 'Yeah, What did think about water? ' 'I think water is great! I don't need very much for this trip, but water is delicious.' 'Okay, but water is important to me because I have health issues. So I drink more water for save my health.'
Utterance: 'Okay! You can have all the water. I want all the food.'

Ex Output:
No


Ex Input:
Context: 'Hi friend! I'm very excited to go to the trip' 'Great! Have you checked to see what the weather has been like in the area you are going to??' 'Definitely I will checked. I m eager to prepare each & every things for the trip'
Utterance: 'I have checked and see that it is in the rainy season! I know I need to pack some extra firewood if you can spare me some??'

Ex Output:
Yes


Ex Input:
Context: 'I'd be ok with keeping all the food. I do eat a bit too much and if for some reason I get lost it would be helpful to have!' 'I agree with that, so you would get the two water and three food and I would get one water and three firewood?' 'Yeah. If that's alright with you? It rained here recently but I bought a top of the line tent and sleeping bag so if I do run out of firewood I'll still be ok.'
Utterance: 'Yes, I'm glad we could come to an agreement, I will submit the deal now.'

Ex Output:

No