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: 'It's my top priority, but if you need some, I'd need more water and firewood' 'It aslo my top priority but i would not if u give me 3 packages of water and  2 firewood in exchange for all food.Agree?' 'sure that works'
Utterance: 'Okay deal sealed?'
[A]: No


[Q]: Context: 'Hi, What is decision about packages?'
Utterance: 'I was thinking I will take 2 food, 1 water, 2 firewood'
[A]: No


[Q]: Context: 'Hey there how are you?' 'I am fine friend. I need a lot of firewood though. It is freezing' 'I definitely need firewood as well. We didn't anticipate it being as freezing cold as it is at night. There isn't much around us. We've also been using a lot of water, which we could use more of since we've been looking for firewood.'
Utterance: 'Your needs are like mine. I have a condition that require  me to shower quite often. It is a shame but if I do not shower for 3 hours I will stink.  '
[A]:
Yes