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: 'haha but you enjoy hiking, i do not. ' 'That's true! Okay, 2 let's go with 2 food, 2 water and 1 firewood for me and you can have 1 food, 1 water and 2 firewood. And since we are camping near each other, if you need anything, just ask! 🙂' 'perfect '
Utterance: 'Do we both submit the deal?  It was nice working with you!'

Output: No


Input: Consider Input: Context: 'Great, we can split the food, how are you on water?' 'That would be great. I need to have frequent small meals throughout the day so the extra food would help. I have plenty of water. ' 'alright, so I'll keep the water, and firewood, and give you 2 extra food.  Does that sound like a good deal?'
Utterance: 'I actually need one firewood and one food package. I can give you one water. '

Output: Yes


Input: Consider Input: Context: 
Utterance: 'Hello, how are you? 🙂, we are excited to go camping for 2 weeks. I was wondering, if its okay with you, if I can get all 3 waters? what are your thoughts? we have a large group, lots of kids, need the extra water for cooking, putting out camp fire, and keeping all of us warm at night. '


Output: Yes


