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.

Input: Consider Input: Context: 'Hello - I would love be able to split some supplies with you🙂. I could use some extra firewood so maybe i could take 3 and maybe you could have some extra food? ' 'Maybe I could take 2 firewood 2 food and 0 waters?'
Utterance: 'I was planning on staying up all night and keeping my fire going all night.  Honestly I could give you all the extra food if that helps you if I could please have the 3 firewood?  We could split the waters'

Output: Yes


Input: Consider Input: Context: 'Hi fellow camper! What are your needs for the extra provisions.' 'Hi i'm really excited for camping. I am looking for food and water ' 'Yes, a much needed getaway. Oh my, we need the same provisions! How would you be with receiving two waters, one food package, and two of the firewood?'
Utterance: 'I think I would be able to make that work. What are you looking forward to while camping? '

Output: No


Input: Consider Input: Context: 'Me too! 🙂 What do you think about the extra supplies?' 'I recently bought two new puppies, and they are coming on the trip. I could really use the extra water for them!' 'Awww. That sounds reasonable to me. I'm hoping to have a birthday dinner for my dad on the trip, so I'd appreciate some more food and a little more firewood.'
Utterance: 'Happy birthday to your dad!! You can have all of the food if I can have all of the water. 🙂'


Output: No


