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: 'Great! I'll be going to the Catskills, in NY. Where are you planning on going?' 'Antarctica! I am going to need as much firewood as I can get.' 'Ha, woah that's exotic! I'll need some firewood as well, but maybe not as much as you! I'm planning on going hiking a lot, and will need some extra water, as, again, ill be hiking a lot'
Utterance: 'I will offer 3 water to you! You will maybe need more food with that much exercise? How about 2 food? I really need that extra firewood. Remember that the Catskills probably has some extra wood around.'

SOLUTION: No

PROBLEM: Context: 'Since you would also like firewood, I propose 2 firewood, 2 water to me, and you get 1 wood, 1 water, and all the food to make up for it.' 'Okay I can agree to that deal.🙂' 'That's fantastic, I'm glad we came to something we both agree with'
Utterance: 'Me too. I hope you have a wonderful camping trip.🙂'

SOLUTION: No

PROBLEM: Context: 'The extra food would be appreciated. How about if I take just two each of the firewood and food, and you can have the remainder, plus all of the water?' 'I am just concerned that only 1 firewood might make it so I'm too cold to function. ' 'If you boil the water above the fire, it will provide additional heat over time. You would also be able to make tea, which would warm you up from the inside as well, better than any fire would. That would probably be most beneficial to you. I really do need the 2 firewood if there's any chance of making a bonfire for my party.'
Utterance: 'I am allergic to tea and coffee. I wonder if the smaller fire would be more quaint for everyone to sit around. '

SOLUTION:
No