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: 'That sounds good but I need two foods please.' 'Hmm. :( How about I get 2 food and you get 1? That way it'll be slightly more equal' 'Since you are getting two firewoods I need two foods Let's deal on this.'
Utterance: 'Ok. Then how about I get two waters. I need the food, too. I got four mouths to feed. '

A: No
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Q: Context: 'I'm fine, let's talk about how we can come to a fair deal.' 'Sure, my number one item if food if you can spare any.' 'It'd be nice if we can both get an even split right?'
Utterance: 'Well some needs are higher than others.  I need more food but I can give up some firewood or water.'

A: No
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Q: Context: 
Utterance: 'Hi! I am interesting in claiming all 3 of the water, as well as 2 firewood and 1 food. Does this work for you?'

A:
No
****