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.

Ex Input:
Context: 'Hello, how are you today? 🙂' 'good, how are you 🙂'
Utterance: 'Great!  I'm on a camping trip with my five children, how about you?'

Ex Output:
No


Ex Input:
Context: 'Sounds good I will give you the 2 packages of food.🙂' 'So nice of you !!  Now can you summarize your needs?' 'I will need 3 packages of firewood. 1 package of food and 1 package of water. What are your needs?'
Utterance: 'Yes, you are absolutely right. Thank you very much !! I'll take 2 package of food and 2 package of water .'

Ex Output:
No


Ex Input:
Context: 'How about two water, 1 firewood and 1 food, since we both value water the most?' 'Is that what you want or what you are offering?' 'That's what I'm offering to you, but I think it's a fair deal, so I'd accept it myself, too.'
Utterance: 'Fair enough.'

Ex Output:

No