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: 'Hi. I'm most interested in water. What's your highest priority?' 'I really need water too. I have a young baby and will do a lot of washing.'
Utterance: 'Okay. I'm not especially worried about food. What's your lowest priority?'

A: No
****
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
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Q: Context: 'hi! i would love to take my kids camping to teach them about the outdoors, to do this how about i take all of the food and 2 of the waters, you can have the rest '
Utterance: 'Hello there.  That deal most definitely will not work for me. '

A:
No
****