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.

Context: 'okk i will give please explain how many pack you need ' 'that's so kind of you! could I please have 3? which item do you really need, I can give you 3 of it' 'okk i want 3 pack of firewood , 1 pack of food and 1 pack of water'
Utterance: 'could i have 1 firewood, if you'd like 1 pack food?'
No

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?'
No

Context: 'Hello, how are you today?' 'hello, I am good, I am very excited about this trip. how are you?' 'i am great, super excited about camping as well, are there any supplies that you really need?'
Utterance: 'i really need water and food. we did not get enough of those.'

Yes