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: 'I can give you 2 units of firewood, but I need at least 1 as well. ' 'How much food do you need?' 'If you give me 1 unit each of water and firewood, I'll give you 2 units of food for helping me out'
Utterance: 'I may need two food, I don't know how much fish I can catch.'

Answer: Yes


Question: Context: 
Utterance: 'Hello! camper, how are you? I need us to make a deal where we all benefit.I'm so excited for our camping trip.  I'm most excited about getting to eat food that I normally don't when I am home.🙂'

Answer: Yes


Question: Context: 'Hello, what are your preferences for food, water, and firewood?' 'Hey, nice getting to interact with you. I would like to have additional packages of firewood and water'
Utterance: 'Okay, I would like to have additional packages of food and water.'

Answer:
No