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: 'Since I got some food already, can I get 3 water, 2 firewood and 0 food then?' 'can we do at least one food? if thats okay with you? I would like to have extra food in case something happens, i will be able to have the extra supplies. ' 'ok, so list out the amount you need'
Utterance: 'water 3, firewood 2, and food 1, do you agree?'

Output: No


Input: Consider Input: Context: 'Okay, well if you need water and firewood, that only leaves food. If you can part with extra food, here's what I'm proposing' 'Yes you can definitely have all the food. Maybe 2 firewoods and 2 waters for me?' 'Sounds good to me.'
Utterance: 'Ok great would it be ok if we have 1 of the foods?'

Output: No


Input: Consider Input: Context: 'Hello, what do you need the most for your camping trip?' 'ideally some firewood, it got soaked due to me being caught in the rain. what do you need the most?'
Utterance: 'I also need more firewood.  I thought I would be able to find enough around the campsite but I guess that rain got us both 😮'


Output: Yes


