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 Q]: Context: 'Hi!  I want some additional packages of firewood, water, and food' 'Are you bringing guest?'
Utterance: 'I am a campaign partner'
[EX A]: No

[EX Q]: Context: 'I am ready to give 1 amount of food for you. But I want some quantity of water and firewood for me.' 'I would take 3 packages of food and just 1 package of water. Is it okay for you?' 'No, I don't take this. Because food is important for my child and me.'
Utterance: 'Try to understand our situation. We had food a week back. We were drinking only water for the whole week. We are dying of hunger. Kindly understand our situation.'
[EX A]: Yes

[EX Q]: Context: 'Hi 🙂 I'd like to have more water because the location that I'm going to is really dry. I'll need water to stay hydrated.'
Utterance: 'Sure you can give me firewood in place of water'
[EX A]:
No