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: 'No it's not.  Since my fever is very high and my chills are very bad I'd appreciate you letting me have 2 firewoods and in exchange you could have all the extra food.' 'That is an interesting proposition.  What about the water?' 'I think if you let me have 2 waters I might survive this scourge!'
Utterance: 'I think that your reasons are very compelling.  I would also like to survive.'

Output: Yes


Input: Consider Input: Context: 'Hi  I have an extra guest that will be camping with me and was wondering if you had an extra food package that you could spare?' 'I don't have much food, but you can take one package and I can take two? ' 'thanks  that would be great!  I also need an extra package of firewood, I will probably need it cooking.  Do you have a spare package of it as well?'
Utterance: 'I don't need much firework, so you could have two packages. Could I take all of the water so I can wash my clothes? '

Output: Yes


Input: Consider Input: Context: 'Hello! I'm so excited for this camping trip. What do you still need as your supplies?' 'I think food, water, and firewood are all going to be fairly important.'
Utterance: 'I agree. I have diabetes, so water and food are super important to me. My diabetes makes me super thirsty and I have to make sure I keep my blood sugar under control with certain foods ☹️'


Output: Yes