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.

Context: 
Utterance: 'Hello!'
No

Context: 'I will submit a deal that might benefit us both.  '
Utterance: 'We can work on that together'
No

Context: 'I would do this instead: 3 firewood, 1 water and 2 food.' 'That's not going to be a fair offer, you'll need to do better than that or I don't think we can come to an agreement' '3 firewood, 1 water, 0 food'
Utterance: 'so I'll get 2 water, 3 food and 0 firewood?'

No