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: 'i am good with that how many waters do you want can i have 2?' 'Sure we can do that 🙂' 'ok so i get 1 food 2 firewood and 2 water? sound fair?'
Utterance: 'Absolutely that sounds great!'

Output: No


Input: Consider Input: Context: 'Hi - I'm so excited for our camping trip.  I'm most excited about getting to eat food that I normally don't when I am home' 'Ooh what kind of food?! Like MRE? I'm going to need lots of water because I'm going to the High Desert.' 'Hello! camper, how are you? I need us to make a deal where we all benefit.'
Utterance: 'Yes, I expect that! You need food most and I need water, so let's propose an exact trade? 3 for 3?'

Output: No


Input: Consider Input: Context: 'How about this it think it will work out better for us and you snice you need fire wood too. You get 3 food and 2 firewood and and I get 3 water and 1 firewood. 🙂🙂' 'I really don't want to be without water, how about 2 water and 2 firewood for the 3 packages of food?' 'I just want to make sure I understand you I get 2 waters and 2 firewood and 0 food. '
Utterance: 'That's right. Since you would be getting food from your sister, while I am camping alone, you would be getting more food pretty soon. '


Output: Yes