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: 'Okay. I'm willing to give in on the firewood, but I really can't give in on the water or the food. As a diabetic I have to put my health first. ' 'I can give out the food in exchange for the firewood' 'Okay. I need all of the water, if you're getting the firewood. '
Utterance: 'I can't give out all the water. I need to be hydrated as well. '
[A]: Yes


[Q]: Context: 'I am running low on firewood. I need more to keep the fire going and cook food. ' 'Yeah I need firewood too. It's only 50 degrees at night on the mountain, even in the summer.'
Utterance: 'How would you feel about giving me some firewood for food?'
[A]: No


[Q]: Context: 'Good!  How are you?  Ready to go camping?' 'I'm doing well. I can't wait to go camping' 'I am usually not much of a camper!  I will start with an offer if that is ok with you.'
Utterance: 'sure'
[A]:
No