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: 'I might be able to get by with just two... I'm on a diet though, so I don't need as much food.' 'That's a relief. I actually have a friend joining me and they don't have their own food supply. I don't have enough for two people.' 'You can all the food if you need it.🙂'
Utterance: 'Thanks!🙂 Do you need any water packages?'
[EX A]: No

[EX Q]: Context: 'Hi how are you hope all is well and are you getting ready for your trip?' 'Yes same to you. I am very excited to be going on this trip cannot wait to start hiking. Do you have any plans for yours?' 'Yes we (my boyfriend daughter and I) want to go to the mountain top its not going to be easy with this weather but we will make it how about YOu?'
Utterance: 'We want to hike along the trails near the river! We will need lots of food to keep us going '
[EX A]: Yes

[EX Q]: Context: 'Okay. I'm willing to give in on the firewood, but I really can't give in on the water or the food. As a diabetic I have to put my health first. ' 'I can give out the food in exchange for the firewood' 'Okay. I need all of the water, if you're getting the firewood. '
Utterance: 'I can't give out all the water. I need to be hydrated as well. '
[EX A]:
Yes