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: 'Hey, how are you doing today? are you excited to go camping?' 'I am good. How about you?  Yes, I love camping!' 'I am doing great! camping is super enjoyable'
Utterance: 'Do you bring enough stuff?'
Example Output: No

Example Input: Context: 'Hi there, I am doing well, I can get you an extra firewood as long as I can get extra Water and Food to thrive during camping' 'I would be ok with that but i will need some water and food as Im a little out of shape' 'I can get you one package of water and food, will that work?'
Utterance: 'how am i supposed to stay alive with one package of food and water im fat lol'
Example Output: Yes

Example Input: Context: 'Ok, do you have any interest in any fire wood?' 'I do need firewood, we cook over open flames. 😮How you get 2 water, 1 food and 1 firewood?' 'How about if I give you 3 food for 3 waters, and then we split the firewood?'
Utterance: 'I do require at least one water, hiking is very physical demanding. Also there are 3 firewoods?'
Example Output:
Yes