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: 'It was going great until a bear came and took all of our food 😮' 'Oh no, that's not good.  I still have some left over, but we're running out of firewood to use to heat it.' 'Seems like we are in the same boat, the bear tore our tent to shreds so we are sleeping outside and it is cold☹️'
Utterance: 'Sounds like a rough camping trip.  It has been pretty cold lately.'

A: No
****
Q: Context: 'Well that is a little promising but I would really like some firewood as it makes me nice and warm and keeps the camp going 🙂.' 'I can do 2 firewood for 3 water if that is better for you?' 'Actually that does sound a lot better I would be willing to do that. So 2 firewood for 3 water?'
Utterance: 'Yea but what about the food?'

A: No
****
Q: Context: 'Hello, how are you doing today?' 'Good. How you doing buddy? 🙂' 'I'm doing pretty good. I plan on camping with the family this weekend, how about you?'
Utterance: 'Nice. Same, it's over 100 degrees where I live. 🙂'

A:
Yes
****