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.

Input: Consider Input: Context: 'I am sooooo excited too! I can't wait to sit by the fire! 🙂' 'Me too!!!! That is what I am most excited about. I was actually hoping you might have some firewood to spare?' 'Gosh, that's a bg favor because I need the firewood. I will give you all of the firewood if you will give me all of the food. How's that?'
Utterance: 'Fair enough! Thank you! I would really appreciate any extra water that you have too?'

Output: No


Input: Consider Input: Context: 'Hi there! Are you excited about camping?' 'Hey! I sure am! The only thing is, I just learned that the canyon where I'm camping is going to be experiencing an unexpected heat wave over the next few days and I'm worried I might not be fully prepared. ☹️ What about you?' 'Same here! Last time my daughter got dehydrated and it made her sick!'
Utterance: 'That sounds awful! 😮 Where are you going to be camping?'

Output: No


Input: Consider Input: Context: 'So in total I would get 2 water, 2 fire wood, 1 food. 2 food 1 one of everything else ' 'What if I take 1 more firewood, so I would have 2?' 'I mean I would gladly trade a water and firewood for one of your extra food. '
Utterance: 'No, I really do need the food the most. Let's go back to your original deal? I'll take 2 foods, you get one. I'll take 1 water, 1 firewood, and you take the rest? Do I have that right?'


Output: No