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 Q]: Context: 
Utterance: 'Hi!  The weather is going to be a lot colder than I anticipated, so I need extra firewood.  Would you be willing to give some to me?'
[EX A]: Yes

[EX Q]: Context: 'hi how are you' 'Hi, I am good. How about you? 🙂'
Utterance: 'same, can I get 3 food, 2 firewood and 0 water, I need 3 food because i need food to survive'
[EX A]: Yes

[EX Q]: Context: 
Utterance: 'Hello there, I'm in a lot of need for some firewood! I'd not be against taking most of it if that's alright?'
[EX A]:
Yes