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: 'Hi there! I can't wait to go camping! How about you?'
Utterance: 'I am sooooo excited too! I can't wait to sit by the fire! 🙂'

A: Yes
****
Q: Context: 'Hi! I was hoping to get 2 packages of firewood, 2 packages of water and 1 package of food and you can have the rest.' 'Hello. Is there a reason you prefer more water and firewood to food?'
Utterance: 'I get cold very easily and also get thirsty a lot. What are your preferences?'

A: Yes
****
Q: Context: 'I can give you 2 packages of water.  I think there is plenty of water, so I do not need extra water.🙂' 'What are you going to use your water for?  And thank you.' 'In case I do no feel like going to other places to get water.  It would be nice to have extra water.'
Utterance: 'I see, and do you have a way to bring the water with you?'

A:
No
****