TASK DEFINITION: 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.
PROBLEM: Context: 'Hi! How about I receive 3 food, 2 firewood, and 1 water?'
Utterance: 'I can't do that. It would leave me with no food at all. How about I take 2 food, and 1 firewood, and 1 water?'

SOLUTION: No

PROBLEM: Context: 'okay friend you can have 3 firewood and 3 water is that good enough?' 'I am going to need some food of course. ' 'yes ofcourse i agree with you.my dear friend will you have 1 food 3 firewood and 3 water'
Utterance: 'I would prefer 2 food and less firewood. There is tons of firewood where I am but there is no lake so I can't fish. No berries around here either. It's pretty scarce'

SOLUTION: Yes

PROBLEM: Context: 'Hello' 'Hi there!' 'Im really low in food, is it ok if I get 3 Food, 1 water & 1 firewood? What do you think?'
Utterance: 'With the cool weather in degrees lower than expected, my family of 7 are consuming firewood faster than expected. Thus, I would like all the firewood in exchange for the food'

SOLUTION:
Yes

