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: 'This is true. Although we're negotiating for extra provisions.  I understand your situation, though.  I can use 1 pack of firewood, 2 pack of water and just 1 pack of food.' 'okay fine. now it is suitable for both of us' 'That sounds good.  Thank you for being fair and agreeable.  '
Utterance: 'thank you for your time'

No