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: 'Hi!  I want some additional packages of firewood, water, and food' 'Are you bringing guest?'
Utterance: 'I am a campaign partner'

A: No
****
Q: Context: 'Hey there how are you?' 'I am fine friend. I need a lot of firewood though. It is freezing'
Utterance: 'I definitely need firewood as well. We didn't anticipate it being as freezing cold as it is at night. There isn't much around us. We've also been using a lot of water, which we could use more of since we've been looking for firewood.'

A: Yes
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Q: Context: 'How about you take 2 food, 1 firewood, and 1 water?' 'no it is not enough for me, i need more water' 'How about you take 1 food, 1 firewood, and 2 water?'
Utterance: '2 food 2 water and 1 firewood will be good'

A:
No
****