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.
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Question: Context: 'Hello, how are you doing today?' 'Hi! I am doing good.What about you?' 'Doing well, I'm exciting about my next camping trip with my family. '
Utterance: 'Yeah that's fine.What you need the most?'

Answer: No


Question: Context: 'I need more food since I have a huge family. Can you give me all food i give you all water?'
Utterance: 'i need a little more food because i forgot that we where staying longer and i forgot some of my food. Can i give you 1 food package please? '

Answer: Yes


Question: Context: 'So 1 firewood, 0 food and 3 water for you?' 'No 3 packages of firewood, 1 package of water, and I can give you 3 packages of food.  I need the Firewood the most.' 'Tell me why you need so much firewood?'
Utterance: 'I have other people coming with me and we don't have insulated sleeping bags.  The temperature also drops drastically at night.'

Answer:
Yes