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'm hopping I could grab most of the food, I have a lot of hungry mouths to feed.' 'Hi - I can understand that. I have quite a few mouths to feed as well' 'hmmm, well what are you looking to get'
Utterance: 'Well, I think that for us staying warm is more important than having extra food. What if I took extra fire wood and you took extra food?'

Output: Yes


Input: Consider Input: Context: 'TO THE FOOD DEAL IN THE HIGH PIRORITY COMPLEX COMPOUND AND THE WATER IN THE MEDIUM COMPOUND AND THE FIREWOOD IS THE LOW COMPOUND'
Utterance: 'I want all the firewood and all the water please. 🙂'

Output: No


Input: Consider Input: Context: 'Sounds good.  I suggest you make a fire and relax. ' 'Just need a little more wood.  Then it will be great to cook my dinner on.' 'I got some spare wood. I’m a little short on food though. I didn’t pack enough. '
Utterance: 'Great, we can split the food, how are you on water?'


Output: No