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: 
Utterance: 'Hello! How are you today?'
Example Output: No

Example Input: Context: 'well i do need alot of firewood since i need it to start a fire' 'Okay, so you can take all the firewood and I take all the food. I will also need at least two waters because I had a limited supply at home.🙂' 'no, i will need 2 water because i need to drink it and there not much water around me'
Utterance: 'Please work with me. I will need plenty water to make it to the top of the mountain.'
Example Output: Yes

Example Input: Context: 
Utterance: 'Hello, I would like 3 water and 3 firewood packages. You can have 3 food packages.'
Example Output:
No