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 suggest we put excess in charge of working on proposition because prevention of excess is not a good first step.' 'I don't know what you mean by "prevention of excess." Can you clarify?'
Utterance: 'what i mean by prevention of excess is that we should focus on getting excess and not to limit it regardless of what we already have because if we should offer some creative approaches by excess. we can both come to an agreement if you are interested.'
Example Output: No

Example Input: Context: 'Hi friend! I'm very excited to go to the trip' 'Great! Have you checked to see what the weather has been like in the area you are going to??' 'Definitely I will checked. I m eager to prepare each & every things for the trip'
Utterance: 'I have checked and see that it is in the rainy season! I know I need to pack some extra firewood if you can spare me some??'
Example Output: Yes

Example Input: Context: 'Hi, what is your highest priority item?'
Utterance: 'I would love to have extra food for my trip, bringing the family! how about you?'
Example Output:
Yes