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: 'Hi how are you today? ' 'am fine and you?' 'I am good. Do you have any preferences on which items you would like most?'
Utterance: 'yes i really need a high amount of water and food.i have firewood in excess'

Ex Output:
Yes


Ex Input:
Context: 'I am dong just fine! and you?' 'Pretty good! I am excited about going camping though. When we split this, what do you need the most?' 'We are all about the food over here! what about you?'
Utterance: 'I really need the water! How do you feel about each of us getting 3 of what we need the most?'

Ex Output:
Yes


Ex Input:
Context: 'Hi . How is your camping trip going?' 'The trip is great, how about you?' 'It is great too. However i am feeling very cold i need a lot of firewood to light a fire.'
Utterance: 'We have -10 degrees temperatures at night where I am camping!!'

Ex Output:

Yes