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.

[Q]: Context: 'Well, I think that for us staying warm is more important than having extra food. What if I took extra fire wood and you took extra food?' 'That could work, were not really looking to have a big fire' 'Where do you stand on water? We're low , and may need extra in case the fires go out of control'
Utterance: 'I do need some myself as well'
[A]: Yes


[Q]: Context: 'Hi  I have an extra guest that will be camping with me and was wondering if you had an extra food package that you could spare?' 'I don't have much food, but you can take one package and I can take two? ' 'thanks  that would be great!  I also need an extra package of firewood, I will probably need it cooking.  Do you have a spare package of it as well?'
Utterance: 'I don't need much firework, so you could have two packages. Could I take all of the water so I can wash my clothes? '
[A]: Yes


[Q]: Context: 'Hi' 'Are you really exciting about camping trip?' 'yes i am really happy about that camping trip? you also'
Utterance: 'yeah. i really worry about my firewood. because i don'y have any back up for firewood. will you please provide all firewood to me'
[A]:
Yes