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.

[EX Q]: Context: 'That sounds fair to me! So we've got 2 water and 2 firewood for you, 3 food and 1 each water and firewood for me.' 'Yes, you're very kind. I desperately need some more water and firewood.' 'I'm glad we were able to work out something for both of us! I hope you have a great camping trip!'
Utterance: 'Sorry, just adjusting the numbers to what we agreed above! '
[EX A]: No

[EX Q]: 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'
[EX A]: Yes

[EX Q]: Context: 'for me. 2 pack of water 2 pack of fire wood and 2 pack of food. ' 'I gotta have one extra of the food or wood at least if you want two water' 'i already reduce my package in water. now what can i do? in my group my wife is cansive and one kid and a old man he is sicked person. so i need this package friend. please friend'
Utterance: 'well. I may be willing to give you two water but i need to have two firewood to boil up some of this lake water to try to drink'
[EX A]:
Yes