Definition: 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: Context: 'hello, how are the preparations coming along?' 'Hi There, I'm doing okay with my preparations but I am worried that I don't have enough food or water for the next few days.' 'I also worried about those two items, especially water.'
Utterance: 'Yes, they say it supposed to be really hot the next few days.'

Yes