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.

Example Input: Context: 'The weather is going to be really hot. Could I have 2 water in exchange for you receiving 2 food and 2 firewood?' 'I have a low immune system and need to stay warm how about I get all 3 firewood in exchange for the 2 water. ' 'I will agree to 3 firewood for 2 water. Maybe I should extra food though so 2 food for me🙂'
Utterance: 'I can agree to 2 food. You get 2 and I will get 1 food. That sounds fair to me. 🙂'
Example Output: No

Example Input: Context: 'Can you spare some water? I need to take medication and I have run out.' 'Hi there, that sounds important. Yes, we can make sure you get some water. How does 1 package sound?'
Utterance: 'I'd rather have 2, can give you all of my food for all of your water?'
Example Output: No

Example Input: Context: 'yay, thank you so much! to very I am getting 3 waters, 0 firewood, and 1 food?' 'i will be getting 3 firewood, 0 water and 2 food' 'perfect! submitting deal, thank you so much for understanding'
Utterance: 'i am glad we were able to reach an agreement'
Example Output:
No