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.

[Q]: Context: 'I can't take cold and would badly need to have more firewood.' 'I need more firewood to keep my food going.' 'I get it, in that case I'' take additional packages of food.'
Utterance: 'I don't think so, because I need additional packages of food in case there is an emergency.'
[A]: Yes


[Q]: Context: 'Hi, what is your highest priority item?'
Utterance: 'I would love to have extra food for my trip, bringing the family! how about you?'
[A]: Yes


[Q]: Context: 'Fine thank you. How about you?' 'I am great, i am really excited about camping how about you?' 'Same here! Its my family's first time out together and we are at the camping already.'
Utterance: 'Nice, are there any extra supplies that you will really need?'
[A]:
No