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: 
Utterance: 'Hello, I would like to have three packages of food. We've decided to stay an extra night but need more food to do so.'
[EX A]: Yes

[EX Q]: Context: 'Hey!🙂 How are you? What were your plans for the weekend?' 'Hi. I'm doing great. How are you? I'm planning on going camping.🙂' 'I'm great! Me too! did you have any specific plans? I wanted to make an extra fire to cook with and cook a nice meal. '
Utterance: 'Yes. I'm actually taking a large group of people. Some friends and family are going and I kind of also wanted a bit of extra firewood. 🙂'
[EX A]: Yes

[EX Q]: Context: 'Hello, lets get things started. How would you like to split items?' 'Hello! Hope your after noon is going well! I have 2 kids so I feel like the water is the most important for them. Need to keep they hydrated, ya know? 🙂'
Utterance: 'I also need water with my medical condition I have to take lots of meds. I can give you extra firewood so you can boil more water easily.'
[EX A]:
Yes