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: 'True, 2 firewood and 2 food for you and I'll take 3 waters.' 'that sounds perfect! thank you so much for understand and wish me luck with all of the little rascals im taking. to verify, I will be taking 2 FW, 2 Foods and 0 waters' 'Great Have fun🙂'
Utterance: 'same to you! submitting deal!'

Output: No


Input: Consider Input: Context: 'i understand friend. i need 2 pack of water and 3 pack of food and 2 pack of fire wood. can you please help me ' 'No way can you have everything, I will need 3 packs of firewood 2 backs of water then you can have all the food' 'i have sicked people and kids so i must need food water fire wood. please help me friend'
Utterance: 'I am sick and have a large family if we cant cooperate together we all get nothing'

Output: Yes


Input: Consider Input: Context: 'hello how are you?  I need the food the most because I ran off and left mine sitting on my kitchen counter.  I think we can agree upon you having 2 water but I need 2 food' 'I'm going hiking, and I really need food, it works up an appetite.' 'Well I didn''t bring any with me so I really need two.  I am willing to give you 2 waters.🙂'
Utterance: 'I also need the water, because it's not safe to drink from streams here.  '


Output: Yes