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: 'Can you spare some water? I need to take medication and I have run out.' 'Hi there, that sounds important. Yes, we can make sure you get some water. How does 1 package sound?'
Utterance: 'I'd rather have 2, can give you all of my food for all of your water?'

Answer: No


Question: Context: 'Hi there! Are you excited about camping?' 'Hey! I sure am! The only thing is, I just learned that the canyon where I'm camping is going to be experiencing an unexpected heat wave over the next few days and I'm worried I might not be fully prepared. ☹️ What about you?' 'Same here! Last time my daughter got dehydrated and it made her sick!'
Utterance: 'That sounds awful! 😮 Where are you going to be camping?'

Answer: No


Question: Context: 'Yeah, I want to make sure i am prepared. What do you think are the bests options?' 'Well i would really like to have extra firewood since i am afraid of the dark and i don't need extra water so i was hoping you would want to trade that' 'Yes, I think that sounds like a good option. I personally could use more food. I like to eat. '
Utterance: 'how do you propose we split the food then?'

Answer:
No