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: 'Can you explain yourself better? What you need the least is food?' 'i mean i will be needing 3 water 2 firewood and 1 food' 'I can't give you that since it wouldn't be fair to me, I'll give you a better offer. I get 3 food 1 water 0 firewood and you get 0 Food 2 water and 3 firewood and 2 fire'
Utterance: 'no am not accepting that 2 water 2 firewood and 1 food'
[EX A]: No

[EX Q]: Context: 'I'm doing pretty well, just preparing for this camping trip.' 'ME as well! we are a group of big eaters, and are looking to take lots of food.' 'That is fair as there is no showers or sinks at my campsite so I am looking to take water :) '
Utterance: 'We will likely also need to take water too. Need to be able to wash up.'
[EX A]: Yes

[EX Q]: Context: 'Hello, how is your camping trip going?' 'Hi there.  Hoping it'll be good, and yours as well.  I was hoping we could negotiate so I could get this extra water - I was planning on this being a hiking trip and it's pretty warm and humid out, so I imagine I'll need it.'
Utterance: 'I don't have any problems letting you have all 3 waters. Would you be willing to give me all 3 firewood? I need extra to keep me warm as I get cold easily.'
[EX A]:
Yes