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 Q]: Context: 
Utterance: 'It's been so cold these last few days, I'm worried that I didn't bring enough wood for the next few nights.'
[EX A]: Yes

[EX Q]: Context: 'That makes sense. I'm also interested in firewood, but have a great need for water due to the current weather. ' 'That makes sense. How about we start out with I get 3 firewood, and you get 3 waters?' 'Great idea, that works for me. 🙂'
Utterance: 'Okay, let's do that, and then split the food. Since there are only 3, do you want to flip a coin to see who gets 2 of those?'
[EX A]: No

[EX Q]: Context: 'Hello, I'm excited for the camping trip! I am unfortunately low on water' 'I'm excited too! I am an avid fisherman so I can't wait to catch plenty of fish for us to eat.' 'Do you need extra firewood to cook the fish? I have a bunch.'
Utterance: 'I do need a little firewood to cook the fish. However, it's so hot outside that I may get dehydrated. '
[EX A]:
Yes