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: 'Hmmm.  And the firewood?' 'I get cold easily. I need the firewood to get warm. I might catch a cold.🙂' 'I think water should be your priority.  You have food and firewood also in your basics.  I will let you have the 3 water but I will need the 3 Firewood and the 3 Food.  I have a medical condition.'
Utterance: 'Okay that works well. I accept! 🙂'
[A]: No


[Q]: Context: 'Hello, I would really like to get most of the water and firewood packages.'
Utterance: 'You can have most of the water and firewood if I can have most of the food. I would like to get two of the firewood so I have a nice fire to come back to after searching for a source of water.'
[A]: Yes


[Q]: Context: 'hi... yes i like camping trip' 'I am hoping that I can get a little extra food though....I'm taking these new meds and they seem to make me hungry all the time. I was hoping to get another 2 pieces of food from the supplies.' 'okk i will give 2 pack firewood and 1 pack of food, 1 pack of water '
Utterance: 'I wouldn't mind another firewood, if it isn't a bother...I tend to get really chilly when it's nightfall.'
[A]:
Yes