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.

Example Input: Context: 'Hello, how are you doing today?' 'Hi! I am doing good.What about you?' 'Doing well, I'm exciting about my next camping trip with my family. '
Utterance: 'Yeah that's fine.What you need the most?'
Example Output: No

Example Input: Context: 'Hello, how are you doing today?' 'Very good. How about you?'
Utterance: 'I'm doing well. I'm looking forward to going on my camping trip but will need some additional items to make sure the trip is safe, healthy, and enjoyable. '
Example Output: No

Example Input: Context: 'Hi there! I was looking for 3 extra packages of food and 3 packages of firewood.' 'We can work a deal out. How's your day? 🙂' 'It's good, thank you 🙂 Which package is the most important for you to have on your trip do you think?'
Utterance: 'That would be firewood. Even though is really hot there, it gets cold at night. How's the weather for you? 🙂'
Example Output:
Yes