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: 'I would like 3 firewood, and 2 food.  You can have 1 food and all of the water.' 'oh okay I will send you what are the materials you have' 'I already have a good supply of fresh water from the lake I will be camping by, and can hunt for some food but not all.  What are you in need of?'
Utterance: 'oh that's great, what type of quality you have from us'
[A]: No


[Q]: Context: 'Hello hope you are excited for the trip Im hoping we can discuss the supplies. I would like to get 2 water 1 food and 2 of the firewood '
Utterance: 'I can give you 2 waters and 1 food, but I really need more firewood. I ran out last time and I don't want to go through that again! How about you take 2 waters, 1 food, and 1 firewood? '
[A]: Yes


[Q]: Context: 
Utterance: 'Hello I need a lot of water to survive'
[A]:
Yes