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.
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Question: Context: 'Hello! I'm going to be heading out on a big camping trip and will need to take some extra supplies. Are you going camping as well?' 'I am also going camping! What do you think you're going to need the most of? What are your preferences?'
Utterance: 'It's going to be hot during the day where I'm going so I'll need some extra hydration. So water is my main priority.'

Answer: Yes

Question: Context: 'I am running low on firewood. I need more to keep the fire going and cook food. '
Utterance: 'Yeah I need firewood too. It's only 50 degrees at night on the mountain, even in the summer.'

Answer: Yes

Question: Context: 'Okay that works for me as well.' 'awesome any chance I could persuade you to substitute your 1 food item for an additional fire wood 🙂' 'No I cannot do that unfortunately. We brought just enough food for our weekend trip, and I cannot lose any or we will run out before our camping trip is over.'
Utterance: 'OK, just thought I'd ask, so are we settled on you getting 1 Food, 1 firewood and 3 waters?'

Answer:
No