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: 'for sure thats not going to work to well ' 'are you hiking alone?' 'no i will have my husband and my dog with me'
Utterance: 'oh nice well how about you give me 3 water and I give you 3 food and we figure out the wood make a suggestion'

A: No
****
Q: Context: 'Great, how are you?' 'Pretty good, planning my camping trip, checking on supplies.' 'Here too, looks like the weather has changed for us. We won't have enough water to last as we forgot it. Food, we have some snacks, but not enough to get by for our trip. I'm not overly concerned about firewood since it's so hot. But I'm really concerned about water.'
Utterance: 'Yeah, I'm going to the desert so I'm hoping to have enough water. I'm good on food and I hunt for a lot of it anyways.'

A: Yes
****
Q: Context: 'Ok I hope you are okay with that. Please confirm!' 'Okay, I will confirm that. Thanks! 🙂' 'That is great! it was so easy to work with you'
Utterance: 'You too, this was real easy to do! 🙂'

A:
No
****