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, great to see a fellow camper. Planing on doing any hikes. My family and mother-in-law are down getting some new trail maps. We are looking forward to the long camping weekend. Our bad luck was the airline loss two of our bags that had our food and water. So i am hoping to get some more.🙂'
[EX A]: Yes

[EX Q]: Context: 'I have a big party with varying degrees of health and I'm going to need every bit of firewood and food I can get my hands on! 🙂' 'hi, we may be in luck then, i really would like water as i enjoy walking and hiking, i will require some firewood though so i can roast some s'mores' 'How many people are in your camping party?'
Utterance: 'i have 6, and 2 more could be joining us to make 8 '
[EX A]: No

[EX Q]: Context: 'Are you sure that you would be able to get more firewood on your own?' 'Yes and as a return ill give you 70 percent of what I get-- So with me managing the firewood for you, you will get more time with the kids.' 'That's so nice of you! I would just feel more secure if I kept 2 of the firewood with me while you are out though, just in case of emergency. You wouldn't need it just for the few hours you would be gone. '
Utterance: 'If that were the case I would need extra food since I would be behind trying to get more firewood.. '
[EX A]:
Yes