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: '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: 'That would be great if you could! ' 'I can do that! What's your next highest priority? I would prefer 2 firewood as I need to be warm at all times and plan to camp in the cooler weather' 'I can easily give you two firewood! One should be more than enough for me. Especially since you helped me out with the food!'
Utterance: 'I would appreciate that! How do you feel about water?  I would like at least one water.'
[A]: No


[Q]: Context: 'How many of you are on the camping grounds?' 'It's just my family. There are 6 of us total' 'Wow. I’m alone here. I could use an extra food and water. '
Utterance: 'How many would you like? I just want to make sure we have enough good and water because there are so many of us'
[A]:
Yes