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: 'Good morning! Are you excited to go camping this weekend?'
Utterance: 'Yes, how about you! We are headed to Joshua Tree NP to do some rock climbing and hiking. '
[EX A]: No

[EX Q]: Context: 'I need more firewood to keep my food going.' 'I get it, in that case I'' take additional packages of food.' 'I don't think so, because I need additional packages of food in case there is an emergency.'
Utterance: 'I was under the impression you don't have the need for additional firewood as you mentioned you need additional of food and water. Let me know how many packages of item you need.'
[EX A]: No

[EX Q]: Context: 'Hello!  Great to see another camper here going for a hike.  My family is looking forward to a great weekend here.🙂' 'Mine too! Camping is one of my favorite things to do with my family.' 'It should be a good weekedn for it.  Unfortuately the air;ine loss our luggage with the sleeping bags and food.  Not a good start for us with my mother-in-law along for the first time.  My wife and her is down getting trail maps while I sort out keeping warm tonight and feed after some hiking.'
Utterance: 'Oh no! That sounds like a problem. I have four kids so I can relate about the concerns for staying warm and having enough food.'
[EX A]:
Yes