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' 'Hi'
Utterance: 'Are you really exciting about camping trip?'

Ex Output:
No


Ex Input:
Context: 'Hi!  I want some additional packages of firewood, water, and food' 'Are you bringing guest?'
Utterance: 'I am a campaign partner'

Ex Output:
No


Ex Input:
Context: 'Hi we would like you to consider giving us all of the rations for the trip.' 'hello, that could be a good idea, but I think I need more rations' 'How important are they to you? We would like to get a good mix, preferably more food.'
Utterance: 'I need more food and water, you see I am diabetic, I need to eat many small meals'

Ex Output:

Yes