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, how are you doing today?' 'Hey there, I'm doing well! I'm excited to choose camping supplies.' 'Me too🙂. I packed a lot of food so I have plenty to spare'
Utterance: 'that's awesome. I think I need more food myself, but I have tons of water.'

Output: Yes


Input: Consider Input: Context: 'Hey there!' 'Hi! What are your preferences? '
Utterance: 'Food is of the highest preference for me! I am a diabetic and always need to be able to eat if I'm experiencing a low! How about you?'

Output: Yes


Input: Consider Input: Context: 'I will be camping for 3 day so I gotta have some food.  Although, I do understand your situation.' 'I see. Yeah, if any of us knew how to fish or forage, we wouldn't need as much, but we're all from the city, so our survival skills are pretty bad and we're going to be camping for almost a week. But I get that fish aren't super reliable for food either... ☹️' 'I understand.  So we have came to an agreement that I get 2 water, 1 firewood, and 1 food, is that right?'
Utterance: 'Yeah, that sounds good to me. Thanks for being understanding. I hope your camping trip goes well.'


Output: No