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: 'Hey, I think that this is nice, we get to go camping and get extra stuff. But definitely need more food and firewood' 'Yeah, I think I'm okay with firewood, but I'd really like more food and water.' 'That fine then. If you want you can have most of the water and I can have most of the firewood. Sounds good?'
Utterance: 'That seems fine. How do you want to split the food? I grew up poor so I'm always afraid of starving 😮'
[A]: Yes


[Q]: Context: 'Hello, how are you?' 'Hello, I am doing well, I am excited about my upcoming camping trip, how are you ?'
Utterance: 'I good thank you.  Yes, I am excited about this trip but I have been worrying about how I can get more firewood.  A raccoon came and stole mine this morning from the campsite.  So would it be alright if I kept all 3 firewoods?'
[A]: Yes


[Q]: Context: 'I'd like to have 2 extra packages of water and firewood.' 'I see. And I would like 2 extra packages of Food and 2 packages of  Water as well.'
Utterance: 'I have a great risk of dehydration.  I really need those 2 extra packages of water. You can have all the extra food.'
[A]:
Yes