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: 'hello'
Utterance: 'Hello how are you, I was wondering if its okay with you, If i can get 3 waters, 2 firewoods, and 1 food? what are your thoughts?'
Example Output: No

Example Input: Context: 'Too true! Anyways, what is the item that you prefer the most for this camping adventure? 🙂' 'Firewood, how about you?' 'Oh, firewood as well! It's not a camping trip if you run out of firewood in just a few nights! I would hate to be cold '
Utterance: 'I was thinking S’mores!  I will start off....2 firewood, 2 water, 1 food'
Example Output: Yes

Example Input: Context: 'hello'
Utterance: 'Hey there. How are you?'
Example Output:
No