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.

[Q]: Context: 'That sounds fair to me! So we've got 2 water and 2 firewood for you, 3 food and 1 each water and firewood for me.' 'Yes, you're very kind. I desperately need some more water and firewood.' 'I'm glad we were able to work out something for both of us! I hope you have a great camping trip!'
Utterance: 'Sorry, just adjusting the numbers to what we agreed above! '
[A]: No


[Q]: Context: 'Hello I'm really hungry and thirsty and want some food and water if that's ok with you. '
Utterance: 'Well some is okay but not all. The thing is that we left in a hurry and forgot to pick up the bag with the extra food items. I am sorry but we have kids with us so we will need the food. Am sure you understand ☹️'
[A]: Yes


[Q]: Context: 'Hi, ' 'Hello. What sort of supplies are you looking for?' 'Well, I really dislike camping  :( and am looking to make the trip as comforting as possible.  I would like to gather 2 food, 2 firewood and 2 water please.  '
Utterance: 'I need a lot of food and I get cold easily. What is your top priority?'
[A]:
Yes