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'
Utterance: 'hello, so what is your most important thing that you want? '
No

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??'
Yes

Context: 'Hey, how are you?' 'I am doing good. Thanks. Which item do you need the most?' 'I was thinking firewood, because the most fun I have camping is roasting marshmellows and hanging out around there. How about you?'
Utterance: 'Oh hmm. I really need extra firewood because I forgot to bring a sleeping bag. I will be freezing to death at night. ☹️'

Yes