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.

Context: 'hello, how do you suggest we share the items?' 'Hi there! Well first I was wondering what item you think you'd like or need the most?' 'I like firewood and water most'
Utterance: 'Hmm okay, I am willing to give you three waters! I was hoping to get 3 firewood though, as it's going to be really cold where I am going.'
Yes

Context: 'Yes it is. The scenery is beautiful and it is taking my mind off things. So glad to be here. ' 'I am working hard around the camp and getting hungry!' 'You came here to work? I’ve been taking it easy. '
Utterance: 'LOL, I mean setting up the tent and clearing the area for a campfire. I'll take a break now.'
No

Context: 'ok I completely understand. I am more than happy to offer you 3 firewood in exchange for 3 food. If you are ok with splitting 2 water for me and 1 for you that works well. My kids need food and water for their medications.' 'Hmm I will consider it. I'm worried about not having enough food for my kids. They seem to be on a growing spurt and get very frustrated quickly when they are hungry. I would be will to negotiate it I can get 3 firewood, 1 food, and 1 water. ' 'Food is very important to me probably as much as firewood is to you. If we can stick with the 3 food, 0 firewood and 2 water that would be great. '
Utterance: 'I can tell that this is very important to your kids, so I will be willing to do this. '

No