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: 
Utterance: 'Hi! I'm really hoping to get a lot of water. I love outdoor activities like hiking and kayaking so I'll need to stay hydrated on the trip.'

Output: Yes


Input: Consider Input: Context: 'I am well; I love going camping. I really enjoyed my time in Boy Scouts and look forward to practicing what I learned to good use' 'That is awesome. I brought extra firewood if you need some. My brother forgot to pick up the water when he left town and now is 15 mins away. Do you have any you give?🙂🙂' 'I would love some extra firewood; however I need some extra food too. I have diabetes and it's important that I have more food for later'
Utterance: 'O wow.☹️ I'm sorry to here that. I can give you all my firewood and a food if you can give me all your water. '

Output: No


Input: Consider Input: Context: 'Hi how are you doing today?' 'I'm doing well. I'm very excited about our camping trip!'
Utterance: 'I am too! I have a rather large family and we are looking forward to getting out for some time away!'


Output: No