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: 'Wow. I’m alone here. I could use an extra food and water. ' 'How many would you like? I just want to make sure we have enough good and water because there are so many of us' 'I understand. I would like one food and one water. How much wood do you want for that?'
Utterance: 'I think we could get by with two pieces of wood and I would be glad to give you the other one'
[A]: No


[Q]: Context: 'Good!  How are you?  Ready to go camping?' 'I'm doing well. I can't wait to go camping' 'I am usually not much of a camper!  I will start with an offer if that is ok with you.'
Utterance: 'sure'
[A]: No


[Q]: Context: 'No in the end i will only be getting 3 items where you get 6 i think my way is more fair' 'Yeah but my 6 aren't worth all that much. I'm the one who will have to answer to my family for not getting enough firewood. 🙂' 'Well then if the firewood is that importants you can have 2 but i need 2 food and 2 water then'
Utterance: 'That sounds good. Let's go with that.'
[A]:
No