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: 'Hi there! How are you?'
Utterance: 'Great! I'm very excited to go camping, how about you?'

Output: No


Input: Consider Input: Context: 'i need two food items and one water' 'I will take 2 waters, however I would like 2 food and you can have 1 food and 3 firewoods' 'one food is not enough i am pregnant and i need to eat many meals'
Utterance: 'My friend is ill and needs to eat to survive. How about I take 3 water then and you can have 2 food and all of the wood?'

Output: Yes


Input: Consider Input: Context: 'Hmm ☹️ That does not leave me with much' 'In my team old age sicked peoples and kids are there so I need some extra.' 'Is firewood something you want the most? 🙂'
Utterance: 'Yes friend.Because we are going to a snow fall place so we need firewood the most.'


Output: Yes