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.

Example Input: Context: 'I understand I have an always hungry toddler' 'Wow...what a different world' 'You got that right I can give you 2 firewood if you give me two food'
Utterance: 'What abou you give me two firewoods and i give you 1 food and 1 water?'
Example Output: No

Example Input: Context: 'I need the firewood and the food, you can have all the water.' 'no i need firewood to always keep myself warm.'
Utterance: 'So do I, I have health issues.  I can give you one firewood, if I get all the food. '
Example Output: Yes

Example Input: Context: 'yes we can' 'Ok, could you tell me which item you need more and which one you need less?' 'i will be needing more of water '
Utterance: 'Okay, what I need most is food because I need nutrients, could you tell me what is the least you need?🙂'
Example Output:
Yes

