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 Input:
Context: 'Oh that's cool! I will be camping with my 4 children so having a little extra would be great for me too.' 'Ok great! Do you need firewood?' 'I could use a little to cook with, But food is my main concern. Is it hot where you will be? '
Utterance: 'Ya so I could use a lot of water! Would you be willing for me to take one food two water and two firewood? '

Ex Output:
Yes


Ex Input:
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'

Ex Output:
No


Ex Input:
Context: 'Hello, how are you doing on this fine day?' 'Hello, I am doing awesome today. I am so glad I was able to get way and come camping. My bother just called me and said he is going to be coming. It was a surprise for him to be able to come🙂 How are you?' 'I am well; I love going camping. I really enjoyed my time in Boy Scouts and look forward to practicing what I learned to good use'
Utterance: 'That is awesome. I brought extra firewood if you need some. My brother forgot to pick up the water when he left town and now is 15 mins away. Do you have any you give?🙂🙂'

Ex Output:

Yes