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: 'Thanks for asking ..! I will need 3 of food, 3 of water and 2 of firewood..' 'I really need water though. Are you sure you need that much?' 'Yes please ..! My son has respiratory problems I'll definitely need that 😡😡😡'
Utterance: 'If you really need water, then can I have 2 firewood and 3 food then?'
[EX A]: No

[EX Q]: Context: 
Utterance: 'I need the firewood and the food, you can have all the water.'
[EX A]: No

[EX Q]: Context: 'Hello there.  I too am looking forward to this trip.  Definitely need to decompress. ' 'Sounds like it'll be great for both of us.  Is there anything extra you need?' 'My favorite thing to do around the campfire is to sing songs.  I also like to do extra hiking as well.  I especially need firewood. '
Utterance: 'Well, I could see fit to give you the extra firewood (If I can hear a few of your songs!) if you don't mind letting me take the water.'
[EX A]:
No