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!🙂 How are you? What were your plans for the weekend?' 'Hi. I'm doing great. How are you? I'm planning on going camping.🙂' 'I'm great! Me too! did you have any specific plans? I wanted to make an extra fire to cook with and cook a nice meal. '
Utterance: 'Yes. I'm actually taking a large group of people. Some friends and family are going and I kind of also wanted a bit of extra firewood. 🙂'

SOLUTION: Yes

PROBLEM: Context: 'Hello, I'm in a strong need for food and water. Please let me have a few packages of food and water. I'd gladly trade all my firewood for it.' 'Hello. Wow! That does not sound good. My sister just called and let me know she will be coming tonight. She is bringing food so i have plenty to share. 🙂' 'That's some good news. 🙂 Are you sure she is going to be bringing food with her?'
Utterance: 'Yea She is bring tons of food. So don't worry we have plenty of food to spare. 🙂 She did forget to get water. I didn't know she was coming so i didn't grab any and I forgot the 3 packages of water for myself at the store. ☹️'

SOLUTION: Yes

PROBLEM: Context: 
Utterance: 'hello how are you'

SOLUTION:
No

