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: 'Hello 🙂' 'Hello to you!' 'Food is the most important item for me because the food I brought has spoiled! Which item do you need the most?'
Utterance: 'I need water above all else.'

SOLUTION: No

PROBLEM: Context: 'hi how are you' 'I am well, thank you.  Yourself?'
Utterance: 'good here, I will need 3 water as I need it to survive'

SOLUTION: Yes

PROBLEM: Context: 'Hello, i will offer you as much food as you want for all of your fire wood.'
Utterance: 'Hello, how are you?'

SOLUTION:
No