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.

Ex Input:
Context: 'I need the firewood and the food, you can have all the water.' 'no i need firewood to always keep myself warm.'
Utterance: 'So do I, I have health issues. I can give you one firewood, if I get all the food. '

Ex Output:
Yes

Ex Input:
Context: 'I think they went to Chicago. I really needing replace our lost water and sleeping bags. I see there are some extra supplies to share. I could really use the water and firwood. 🙂' 'oh yeah, you definitely do. we have all of our stuff and mostly wanted to hike and have picnics during our camping trip ' 'Great. If you mainly doing picnics do you want 3 Food? I could use the the supplies. 🙂'
Utterance: 'Sure, I'll take 3 food and 1 water would be nice. you can have 2 waters and all of the firewood '

Ex Output:
Yes

Ex Input:
Context: 'HI how are you today?' 'Good. I am diabetic so would like to take 3 of the food' 'I would do that but our meat spoiled because the ice box was not properly closed. How about you get 2 of the meat, and I get 3 of the water?'
Utterance: 'ok I will just be able to get by with 2 of the food, I can give you all 3 of the water if I can take 2 of the wood. I have panic attacks in the dark.'

Ex Output:
Yes