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.
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Question: Context: 
Utterance: 'Hi, this is my first time camping and I want to make sure I have enough stuff.  I would like three food, three firewood, and two water.  What do you think?'

Answer: No


Question: Context: 'Water is a little important to us too though , if possible maybe we can split that or maybe we can get some more food in replacement.' 'That may be possible.... 🙂 What did you have in mind for the food replacement? ' 'You can have all the water if we can have all the food?'
Utterance: 'I dont think I am okay with that ☹️. Food is essential to our groups morale when camping. We would like 1 additional food preferably.'

Answer: Yes


Question: Context: 'oh it turns out I need firewood too!🙂' 'Ha what a surprise! ;-) What do you need second most?' 'I need food to feed all my friends that are coming up. how about you?'
Utterance: 'Haha yup me too. I have a teenage son who eats about 5000 calories a day. Okay, I think the most fair option is one of takes 2 firewood and 1 of the other two items. I don't care who.'

Answer:
Yes