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: 'Oh that's cool! I will be camping with my 4 children so having a little extra would be great for me too.' 'Ok great! Do you need firewood?' 'I could use a little to cook with, But food is my main concern. Is it hot where you will be? '
Utterance: 'Ya so I could use a lot of water! Would you be willing for me to take one food two water and two firewood? '

Answer: Yes

Question: Context: 'Hello! What camping supplies are you looking for the most?' 'Hello! I would like more packages of food the most. What are you looking for?'
Utterance: 'I would need water the most as I forgot to bring enough. I can give you all my food for all of you water, if you'd like?'

Answer: Yes

Question: Context: 'I will agree to 3 firewood for 2 water. Maybe I should extra food though so 2 food for me🙂' 'I can agree to 2 food. You get 2 and I will get 1 food. That sounds fair to me. 🙂' 'Great, this is going to be a fun trip. So I get 2 water, 2 food and you get 1 water, 1 food and 3 firewood?'
Utterance: 'Yes, I cant wait to set off. It sounds like you have it all correct. I hope we both have a great trip. '

Answer:
No