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 other-need strategy, otherwise output No. other-need is a selfish negotiation strategy. It is used when the participants discuss a need for someone else rather than themselves. For instance, describing the need for firewood to keep the kids warm.

[Q]: Context: 'Looking forward to doing some serious hiking with the family.  bad luck on the way here we flew in and the airline loss or bags with some of our supplies and sleeping bags.☹️' 'oh nooo, that's terrible. do they know where they left them?' 'I think they went to Chicago.  I really needing replace our lost water and sleeping bags.  I see there are some extra supplies to share.  I could really use the water and firwood.  🙂'
Utterance: 'oh yeah, you definitely do. we have all of our stuff and mostly wanted to hike and have picnics during our camping trip '
[A]: No


[Q]: Context: 'I'll tell you what I'm willing to do.. I can't really budge on the water.. BUT.. I could do something where I take 2 water, and only one firewood, but two food.. does that work for you?' 'so if i were to  give you water what would i get ?' 'You'd be getting 1 water, 2 firewood, and 1 food'
Utterance: 'how much food are you willing to offer for water'
[A]: No


[Q]: Context: 'Ya sure. ' 'Sorry for the type--I meant 'food' not 'good'.🙂' 'Yes i can understand.'
Utterance: 'We will be in an area where there is not much firewood to collect. You have to bring it in.  We hope to cook with it and keep warm in the evenings.  I am hoping to take at least 2 firewood packages.'
[A]:
Yes