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.

Context: 'I need more food since I have a huge family. Can you give me all food i give you all water?'
Utterance: 'i need a little more food because i forgot that we where staying longer and i forgot some of my food. Can i give you 1 food package please? '
Yes

Context: 'Great so we are on the same page. Ill take two fire wood, one water, and one food.' 'Okay! Then it's a deal! 🙂' 'Ok you will get one fire wood, two waters, and two foods'
Utterance: 'Yes! That is correct! 🙂'
No

Context: 'Hi there!' 'hello !🙂' 'What are your preferences?'
Utterance: 'I am about to go on a charity event with a kid from the make a wish foundation, I would like to get some firewood and maybe some food for his trip so he wont be cold and hungry at least.'

No