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: 'Hey there how are you?' 'I am fine friend. I need a lot of firewood though. It is freezing'
Utterance: 'I definitely need firewood as well. We didn't anticipate it being as freezing cold as it is at night. There isn't much around us. We've also been using a lot of water, which we could use more of since we've been looking for firewood.'

SOLUTION: Yes

PROBLEM: Context: 
Utterance: 'Hello, how is your camping trip going?'

SOLUTION: No

PROBLEM: Context: 'Hi friend! I'm very excited to go to the trip' 'Great! Have you checked to see what the weather has been like in the area you are going to??' 'Definitely I will checked. I m eager to prepare each & every things for the trip'
Utterance: 'I have checked and see that it is in the rainy season! I know I need to pack some extra firewood if you can spare me some??'

SOLUTION:
Yes