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 hoping that I can get a little extra food though....I'm taking these new meds and they seem to make me hungry all the time. I was hoping to get another 2 pieces of food from the supplies.' 'okk i will give 2 pack firewood and 1 pack of food, 1 pack of water ' 'I wouldn't mind another firewood, if it isn't a bother...I tend to get really chilly when it's nightfall.'
Utterance: 'ok what to you need explain'

Output: No


Input: Consider Input: Context: 'Nice. Same, it's over 100 degrees where I live. 🙂' 'Yikes! It's a bit colder up here, that's why I would like to bring some extra firewood to stay warm at night.' 'Oh, I see what you did there. No problem I have plenty of firewood for you buddy. 🙂'
Utterance: 'Great! What extra supplies would you like to bring?'

Output: No


Input: Consider Input: Context: 'Kindly understand our need as we are struggling with hunger now.' 'At the same from my side. We need foods because my child is hunger' 'We with our kids undergone fasting in the recent days, so we are hungry to the peak'
Utterance: 'What did you expect from me? Because same position is here also'


Output: Yes