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.

Ex Input:
Context: 'Oh that's cool! I will be camping with my 4 children so having a little extra would be great for me too.' 'Ok great! Do you need firewood?' 'I could use a little to cook with, But food is my main concern. Is it hot where you will be? '
Utterance: 'Ya so I could use a lot of water! Would you be willing for me to take one food two water and two firewood? '

Ex Output:
Yes


Ex Input:
Context: 'Hello!  I've been super thirsty and as a result I was wondering if I could get all 3 packages of water?'
Utterance: 'I like to hike and will need additional water. Can I take one package and you can have the other two? '

Ex Output:
Yes


Ex Input:
Context: 'What are your preferences?  I always love having a big fire at night when I am camping and I do think water is more important than food.'
Utterance: 'I like to have a lot of food to keep my energy up, but I might need some firewood to cook that food. I can't wait for my camping trip.🙂'

Ex Output:

Yes