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: 'Very good. How about you?' 'I'm doing well. I'm looking forward to going on my camping trip but will need some additional items to make sure the trip is safe, healthy, and enjoyable. ' 'Same here. '
Utterance: 'I have diabetes, so it is very important to me that I get extra packages of water and food. When I'm at home, I always need to pack extra drinks and snacks for myself in case I go into shock and need to take medication. The trip could be very dangerous for me if I don't have access to these additional supplies. '
[A]: Yes


[Q]: Context: 'Hi . How is your camping trip going?'
Utterance: 'The trip is great, how about you?'
[A]: No


[Q]: Context: 'I was thinking about 2 units of firewood and 1 unit of food and one unit of water, what are you going to be needing this for?' 'I can do that. I am going camping in the fall with my family so we need a lot of food. We're camping by the lake so if you want I can give you an extra unit of water.' 'sure thats sounds fair, so that would leave you with two units of food one unit of firewood and one unit of water then?'
Utterance: 'That sounds fair to me. Have fun with the kiddo!'
[A]:
No